20211789360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{2857}}^1\times {\mathrm{4211}}^1$

素因数の和:7091

約数の個数: 160

約数和(自身を含む): 71649556992

約数和(自身を除く): 51437767632

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 2857, 4211, 5714, 8422, 8571, 11428, 12633, 14285, 16844, 17142, 19999, 21055, 22856, 25266, 28570, 29477, 33688, 34284, 39998, 42110, 42855, 45712, 50532, 57140, 58954, 59997, 63165, 67376, 68568, 79996, 84220, 85710, 88431, 99995, 101064, 114280, 117908, 119994, 126330, 137136, 147385, 159992, 168440, 171420, 176862, 199990, 202128, 228560, 235816, 239988, 252660, 294770, 299985, 319984, 336880, 342840, 353724, 399980, 442155, 471632, 479976, 505320, 589540, 599970, 685680, 707448, 799960, 884310, 959952, 1010640, 1179080, 1199940, 1414896, 1599920, 1768620, 2358160, 2399880, 3537240, 4799760, 7074480, 12030827, 24061654, 36092481, 48123308, 60154135, 72184962, 84215789, 96246616, 120308270, 144369924, 168431578, 180462405, 192493232, 240616540, 252647367, 288739848, 336863156, 360924810, 421078945, 481233080, 505294734, 577479696, 673726312, 721849620, 842157890, 962466160, 1010589468, 1263236835, 1347452624, 1443699240, 1684315780, 2021178936, 2526473670, 2887398480, 3368631560, 4042357872, 5052947340, 6737263120, 10105894680, 20211789360]

約数ペア:

[(1, 20211789360), (2, 10105894680), (3, 6737263120), (4, 5052947340), (5, 4042357872), (6, 3368631560), (7, 2887398480), (8, 2526473670), (10, 2021178936), (12, 1684315780), (14, 1443699240), (15, 1347452624), (16, 1263236835), (20, 1010589468), (21, 962466160), (24, 842157890), (28, 721849620), (30, 673726312), (35, 577479696), (40, 505294734), (42, 481233080), (48, 421078945), (56, 360924810), (60, 336863156), (70, 288739848), (80, 252647367), (84, 240616540), (105, 192493232), (112, 180462405), (120, 168431578), (140, 144369924), (168, 120308270), (210, 96246616), (240, 84215789), (280, 72184962), (336, 60154135), (420, 48123308), (560, 36092481), (840, 24061654), (1680, 12030827), (2857, 7074480), (4211, 4799760), (5714, 3537240), (8422, 2399880), (8571, 2358160), (11428, 1768620), (12633, 1599920), (14285, 1414896), (16844, 1199940), (17142, 1179080), (19999, 1010640), (21055, 959952), (22856, 884310), (25266, 799960), (28570, 707448), (29477, 685680), (33688, 599970), (34284, 589540), (39998, 505320), (42110, 479976), (42855, 471632), (45712, 442155), (50532, 399980), (57140, 353724), (58954, 342840), (59997, 336880), (63165, 319984), (67376, 299985), (68568, 294770), (79996, 252660), (84220, 239988), (85710, 235816), (88431, 228560), (99995, 202128), (101064, 199990), (114280, 176862), (117908, 171420), (119994, 168440), (126330, 159992), (137136, 147385)]