20216181480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{563}}^1\times {\mathrm{2473}}^1$

素因数の和:3072

約数の個数: 192

約数和(自身を含む): 66808687680

約数和(自身を除く): 46592506200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 132, 165, 220, 242, 264, 330, 363, 440, 484, 563, 605, 660, 726, 968, 1126, 1210, 1320, 1452, 1689, 1815, 2252, 2420, 2473, 2815, 2904, 3378, 3630, 4504, 4840, 4946, 5630, 6193, 6756, 7260, 7419, 8445, 9892, 11260, 12365, 12386, 13512, 14520, 14838, 16890, 18579, 19784, 22520, 24730, 24772, 27203, 29676, 30965, 33780, 37095, 37158, 49460, 49544, 54406, 59352, 61930, 67560, 68123, 74190, 74316, 81609, 92895, 98920, 108812, 123860, 136015, 136246, 148380, 148632, 163218, 185790, 204369, 217624, 247720, 272030, 272492, 296760, 299233, 326436, 340615, 371580, 408045, 408738, 544060, 544984, 598466, 652872, 681230, 743160, 816090, 817476, 897699, 1021845, 1088120, 1196932, 1362460, 1392299, 1496165, 1632180, 1634952, 1795398, 2043690, 2393864, 2724920, 2784598, 2992330, 3264360, 3590796, 4087380, 4176897, 4488495, 5569196, 5984660, 6961495, 7181592, 8174760, 8353794, 8976990, 11138392, 11969320, 13922990, 15315289, 16707588, 17953980, 20884485, 27845980, 30630578, 33415176, 35907960, 41768970, 45945867, 55691960, 61261156, 76576445, 83537940, 91891734, 122522312, 153152890, 167075880, 168468179, 183783468, 229729335, 306305780, 336936358, 367566936, 459458670, 505404537, 612611560, 673872716, 842340895, 918917340, 1010809074, 1347745432, 1684681790, 1837834680, 2021618148, 2527022685, 3369363580, 4043236296, 5054045370, 6738727160, 10108090740, 20216181480]

約数ペア:

[(1, 20216181480), (2, 10108090740), (3, 6738727160), (4, 5054045370), (5, 4043236296), (6, 3369363580), (8, 2527022685), (10, 2021618148), (11, 1837834680), (12, 1684681790), (15, 1347745432), (20, 1010809074), (22, 918917340), (24, 842340895), (30, 673872716), (33, 612611560), (40, 505404537), (44, 459458670), (55, 367566936), (60, 336936358), (66, 306305780), (88, 229729335), (110, 183783468), (120, 168468179), (121, 167075880), (132, 153152890), (165, 122522312), (220, 91891734), (242, 83537940), (264, 76576445), (330, 61261156), (363, 55691960), (440, 45945867), (484, 41768970), (563, 35907960), (605, 33415176), (660, 30630578), (726, 27845980), (968, 20884485), (1126, 17953980), (1210, 16707588), (1320, 15315289), (1452, 13922990), (1689, 11969320), (1815, 11138392), (2252, 8976990), (2420, 8353794), (2473, 8174760), (2815, 7181592), (2904, 6961495), (3378, 5984660), (3630, 5569196), (4504, 4488495), (4840, 4176897), (4946, 4087380), (5630, 3590796), (6193, 3264360), (6756, 2992330), (7260, 2784598), (7419, 2724920), (8445, 2393864), (9892, 2043690), (11260, 1795398), (12365, 1634952), (12386, 1632180), (13512, 1496165), (14520, 1392299), (14838, 1362460), (16890, 1196932), (18579, 1088120), (19784, 1021845), (22520, 897699), (24730, 817476), (24772, 816090), (27203, 743160), (29676, 681230), (30965, 652872), (33780, 598466), (37095, 544984), (37158, 544060), (49460, 408738), (49544, 408045), (54406, 371580), (59352, 340615), (61930, 326436), (67560, 299233), (68123, 296760), (74190, 272492), (74316, 272030), (81609, 247720), (92895, 217624), (98920, 204369), (108812, 185790), (123860, 163218), (136015, 148632), (136246, 148380)]