20403677520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{113809}}^1$

素因数の和:113914

約数の個数: 160

約数和(自身を含む): 71126697600

約数和(自身を除く): 50723020080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 83, 90, 108, 120, 135, 144, 166, 180, 216, 240, 249, 270, 332, 360, 415, 432, 498, 540, 664, 720, 747, 830, 996, 1080, 1245, 1328, 1494, 1660, 1992, 2160, 2241, 2490, 2988, 3320, 3735, 3984, 4482, 4980, 5976, 6640, 7470, 8964, 9960, 11205, 11952, 14940, 17928, 19920, 22410, 29880, 35856, 44820, 59760, 89640, 113809, 179280, 227618, 341427, 455236, 569045, 682854, 910472, 1024281, 1138090, 1365708, 1707135, 1820944, 2048562, 2276180, 2731416, 3072843, 3414270, 4097124, 4552360, 5121405, 5462832, 6145686, 6828540, 8194248, 9104720, 9446147, 10242810, 12291372, 13657080, 15364215, 16388496, 18892294, 20485620, 24582744, 27314160, 28338441, 30728430, 37784588, 40971240, 47230735, 49165488, 56676882, 61456860, 75569176, 81942480, 85015323, 94461470, 113353764, 122913720, 141692205, 151138352, 170030646, 188922940, 226707528, 245827440, 255045969, 283384410, 340061292, 377845880, 425076615, 453415056, 510091938, 566768820, 680122584, 755691760, 850153230, 1020183876, 1133537640, 1275229845, 1360245168, 1700306460, 2040367752, 2267075280, 2550459690, 3400612920, 4080735504, 5100919380, 6801225840, 10201838760, 20403677520]

約数ペア:

[(1, 20403677520), (2, 10201838760), (3, 6801225840), (4, 5100919380), (5, 4080735504), (6, 3400612920), (8, 2550459690), (9, 2267075280), (10, 2040367752), (12, 1700306460), (15, 1360245168), (16, 1275229845), (18, 1133537640), (20, 1020183876), (24, 850153230), (27, 755691760), (30, 680122584), (36, 566768820), (40, 510091938), (45, 453415056), (48, 425076615), (54, 377845880), (60, 340061292), (72, 283384410), (80, 255045969), (83, 245827440), (90, 226707528), (108, 188922940), (120, 170030646), (135, 151138352), (144, 141692205), (166, 122913720), (180, 113353764), (216, 94461470), (240, 85015323), (249, 81942480), (270, 75569176), (332, 61456860), (360, 56676882), (415, 49165488), (432, 47230735), (498, 40971240), (540, 37784588), (664, 30728430), (720, 28338441), (747, 27314160), (830, 24582744), (996, 20485620), (1080, 18892294), (1245, 16388496), (1328, 15364215), (1494, 13657080), (1660, 12291372), (1992, 10242810), (2160, 9446147), (2241, 9104720), (2490, 8194248), (2988, 6828540), (3320, 6145686), (3735, 5462832), (3984, 5121405), (4482, 4552360), (4980, 4097124), (5976, 3414270), (6640, 3072843), (7470, 2731416), (8964, 2276180), (9960, 2048562), (11205, 1820944), (11952, 1707135), (14940, 1365708), (17928, 1138090), (19920, 1024281), (22410, 910472), (29880, 682854), (35856, 569045), (44820, 455236), (59760, 341427), (89640, 227618), (113809, 179280)]