20113380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:355

約数の個数: 192

約数和(自身を含む): 75962880

約数和(自身を除く): 55849500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 51, 54, 60, 63, 68, 70, 84, 85, 90, 102, 105, 108, 119, 126, 135, 140, 153, 170, 180, 189, 204, 210, 238, 252, 255, 270, 306, 313, 315, 340, 357, 378, 420, 459, 476, 510, 540, 595, 612, 626, 630, 714, 756, 765, 918, 939, 945, 1020, 1071, 1190, 1252, 1260, 1428, 1530, 1565, 1785, 1836, 1878, 1890, 2142, 2191, 2295, 2380, 2817, 3060, 3130, 3213, 3570, 3756, 3780, 4284, 4382, 4590, 4695, 5321, 5355, 5634, 6260, 6426, 6573, 7140, 8451, 8764, 9180, 9390, 10642, 10710, 10955, 11268, 12852, 13146, 14085, 15963, 16065, 16902, 18780, 19719, 21284, 21420, 21910, 26292, 26605, 28170, 31926, 32130, 32865, 33804, 37247, 39438, 42255, 43820, 47889, 53210, 56340, 59157, 63852, 64260, 65730, 74494, 78876, 79815, 84510, 95778, 98595, 106420, 111741, 118314, 131460, 143667, 148988, 159630, 169020, 186235, 191556, 197190, 223482, 236628, 239445, 287334, 295785, 319260, 335223, 372470, 394380, 446964, 478890, 558705, 574668, 591570, 670446, 718335, 744940, 957780, 1005669, 1117410, 1183140, 1340892, 1436670, 1676115, 2011338, 2234820, 2873340, 3352230, 4022676, 5028345, 6704460, 10056690, 20113380]

約数ペア:

[(1, 20113380), (2, 10056690), (3, 6704460), (4, 5028345), (5, 4022676), (6, 3352230), (7, 2873340), (9, 2234820), (10, 2011338), (12, 1676115), (14, 1436670), (15, 1340892), (17, 1183140), (18, 1117410), (20, 1005669), (21, 957780), (27, 744940), (28, 718335), (30, 670446), (34, 591570), (35, 574668), (36, 558705), (42, 478890), (45, 446964), (51, 394380), (54, 372470), (60, 335223), (63, 319260), (68, 295785), (70, 287334), (84, 239445), (85, 236628), (90, 223482), (102, 197190), (105, 191556), (108, 186235), (119, 169020), (126, 159630), (135, 148988), (140, 143667), (153, 131460), (170, 118314), (180, 111741), (189, 106420), (204, 98595), (210, 95778), (238, 84510), (252, 79815), (255, 78876), (270, 74494), (306, 65730), (313, 64260), (315, 63852), (340, 59157), (357, 56340), (378, 53210), (420, 47889), (459, 43820), (476, 42255), (510, 39438), (540, 37247), (595, 33804), (612, 32865), (626, 32130), (630, 31926), (714, 28170), (756, 26605), (765, 26292), (918, 21910), (939, 21420), (945, 21284), (1020, 19719), (1071, 18780), (1190, 16902), (1252, 16065), (1260, 15963), (1428, 14085), (1530, 13146), (1565, 12852), (1785, 11268), (1836, 10955), (1878, 10710), (1890, 10642), (2142, 9390), (2191, 9180), (2295, 8764), (2380, 8451), (2817, 7140), (3060, 6573), (3130, 6426), (3213, 6260), (3570, 5634), (3756, 5355), (3780, 5321), (4284, 4695), (4382, 4590)]