20633580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1$

素因数の和:656

約数の個数: 144

約数和(自身を含む): 72412704

約数和(自身を除く): 51779124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 33, 34, 36, 44, 45, 51, 55, 60, 66, 68, 85, 90, 99, 102, 110, 132, 153, 165, 170, 180, 187, 198, 204, 220, 255, 306, 330, 340, 374, 396, 495, 510, 561, 612, 613, 660, 748, 765, 935, 990, 1020, 1122, 1226, 1530, 1683, 1839, 1870, 1980, 2244, 2452, 2805, 3060, 3065, 3366, 3678, 3740, 5517, 5610, 6130, 6732, 6743, 7356, 8415, 9195, 10421, 11034, 11220, 12260, 13486, 16830, 18390, 20229, 20842, 22068, 26972, 27585, 31263, 33660, 33715, 36780, 40458, 41684, 52105, 55170, 60687, 62526, 67430, 80916, 93789, 101145, 104210, 110340, 114631, 121374, 125052, 134860, 156315, 187578, 202290, 208420, 229262, 242748, 303435, 312630, 343893, 375156, 404580, 458524, 468945, 573155, 606870, 625260, 687786, 937890, 1031679, 1146310, 1213740, 1375572, 1719465, 1875780, 2063358, 2292620, 3438930, 4126716, 5158395, 6877860, 10316790, 20633580]

約数ペア:

[(1, 20633580), (2, 10316790), (3, 6877860), (4, 5158395), (5, 4126716), (6, 3438930), (9, 2292620), (10, 2063358), (11, 1875780), (12, 1719465), (15, 1375572), (17, 1213740), (18, 1146310), (20, 1031679), (22, 937890), (30, 687786), (33, 625260), (34, 606870), (36, 573155), (44, 468945), (45, 458524), (51, 404580), (55, 375156), (60, 343893), (66, 312630), (68, 303435), (85, 242748), (90, 229262), (99, 208420), (102, 202290), (110, 187578), (132, 156315), (153, 134860), (165, 125052), (170, 121374), (180, 114631), (187, 110340), (198, 104210), (204, 101145), (220, 93789), (255, 80916), (306, 67430), (330, 62526), (340, 60687), (374, 55170), (396, 52105), (495, 41684), (510, 40458), (561, 36780), (612, 33715), (613, 33660), (660, 31263), (748, 27585), (765, 26972), (935, 22068), (990, 20842), (1020, 20229), (1122, 18390), (1226, 16830), (1530, 13486), (1683, 12260), (1839, 11220), (1870, 11034), (1980, 10421), (2244, 9195), (2452, 8415), (2805, 7356), (3060, 6743), (3065, 6732), (3366, 6130), (3678, 5610), (3740, 5517)]