20973546

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 128

約数和(自身を含む): 56401920

約数和(自身を除く): 35428374

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 27, 31, 33, 34, 51, 54, 62, 66, 67, 93, 99, 102, 134, 153, 186, 187, 198, 201, 279, 297, 306, 341, 374, 402, 459, 527, 558, 561, 594, 603, 682, 737, 837, 918, 1023, 1054, 1122, 1139, 1206, 1474, 1581, 1674, 1683, 1809, 2046, 2077, 2211, 2278, 3069, 3162, 3366, 3417, 3618, 4154, 4422, 4743, 5049, 5797, 6138, 6231, 6633, 6834, 9207, 9486, 10098, 10251, 11594, 12462, 12529, 13266, 14229, 17391, 18414, 18693, 19899, 20502, 22847, 25058, 28458, 30753, 34782, 35309, 37386, 37587, 39798, 45694, 52173, 56079, 61506, 68541, 70618, 75174, 104346, 105927, 112158, 112761, 137082, 156519, 205623, 211854, 225522, 313038, 317781, 338283, 388399, 411246, 616869, 635562, 676566, 776798, 953343, 1165197, 1233738, 1906686, 2330394, 3495591, 6991182, 10486773, 20973546]

約数ペア:

[(1, 20973546), (2, 10486773), (3, 6991182), (6, 3495591), (9, 2330394), (11, 1906686), (17, 1233738), (18, 1165197), (22, 953343), (27, 776798), (31, 676566), (33, 635562), (34, 616869), (51, 411246), (54, 388399), (62, 338283), (66, 317781), (67, 313038), (93, 225522), (99, 211854), (102, 205623), (134, 156519), (153, 137082), (186, 112761), (187, 112158), (198, 105927), (201, 104346), (279, 75174), (297, 70618), (306, 68541), (341, 61506), (374, 56079), (402, 52173), (459, 45694), (527, 39798), (558, 37587), (561, 37386), (594, 35309), (603, 34782), (682, 30753), (737, 28458), (837, 25058), (918, 22847), (1023, 20502), (1054, 19899), (1122, 18693), (1139, 18414), (1206, 17391), (1474, 14229), (1581, 13266), (1674, 12529), (1683, 12462), (1809, 11594), (2046, 10251), (2077, 10098), (2211, 9486), (2278, 9207), (3069, 6834), (3162, 6633), (3366, 6231), (3417, 6138), (3618, 5797), (4154, 5049), (4422, 4743)]