20322480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{293}}^1$

素因数の和:343

約数の個数: 120

約数和(自身を含む): 67151952

約数和(自身を除く): 46829472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 289, 293, 340, 408, 510, 578, 586, 680, 816, 867, 879, 1020, 1156, 1172, 1360, 1445, 1465, 1734, 1758, 2040, 2312, 2344, 2890, 2930, 3468, 3516, 4080, 4335, 4395, 4624, 4688, 4981, 5780, 5860, 6936, 7032, 8670, 8790, 9962, 11560, 11720, 13872, 14064, 14943, 17340, 17580, 19924, 23120, 23440, 24905, 29886, 34680, 35160, 39848, 49810, 59772, 69360, 70320, 74715, 79696, 84677, 99620, 119544, 149430, 169354, 199240, 239088, 254031, 298860, 338708, 398480, 423385, 508062, 597720, 677416, 846770, 1016124, 1195440, 1270155, 1354832, 1693540, 2032248, 2540310, 3387080, 4064496, 5080620, 6774160, 10161240, 20322480]

約数ペア:

[(1, 20322480), (2, 10161240), (3, 6774160), (4, 5080620), (5, 4064496), (6, 3387080), (8, 2540310), (10, 2032248), (12, 1693540), (15, 1354832), (16, 1270155), (17, 1195440), (20, 1016124), (24, 846770), (30, 677416), (34, 597720), (40, 508062), (48, 423385), (51, 398480), (60, 338708), (68, 298860), (80, 254031), (85, 239088), (102, 199240), (120, 169354), (136, 149430), (170, 119544), (204, 99620), (240, 84677), (255, 79696), (272, 74715), (289, 70320), (293, 69360), (340, 59772), (408, 49810), (510, 39848), (578, 35160), (586, 34680), (680, 29886), (816, 24905), (867, 23440), (879, 23120), (1020, 19924), (1156, 17580), (1172, 17340), (1360, 14943), (1445, 14064), (1465, 13872), (1734, 11720), (1758, 11560), (2040, 9962), (2312, 8790), (2344, 8670), (2890, 7032), (2930, 6936), (3468, 5860), (3516, 5780), (4080, 4981), (4335, 4688), (4395, 4624)]