20631120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:153

約数の個数: 160

約数和(自身を含む): 68567040

約数和(自身を除く): 47935920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 47, 48, 59, 60, 62, 80, 93, 94, 118, 120, 124, 141, 155, 177, 186, 188, 235, 236, 240, 248, 282, 295, 310, 354, 372, 376, 465, 470, 472, 496, 564, 590, 620, 705, 708, 744, 752, 885, 930, 940, 944, 1128, 1180, 1240, 1410, 1416, 1457, 1488, 1770, 1829, 1860, 1880, 2256, 2360, 2480, 2773, 2820, 2832, 2914, 3540, 3658, 3720, 3760, 4371, 4720, 5487, 5546, 5640, 5828, 7080, 7285, 7316, 7440, 8319, 8742, 9145, 10974, 11092, 11280, 11656, 13865, 14160, 14570, 14632, 16638, 17484, 18290, 21855, 21948, 22184, 23312, 27435, 27730, 29140, 29264, 33276, 34968, 36580, 41595, 43710, 43896, 44368, 54870, 55460, 58280, 66552, 69936, 73160, 83190, 85963, 87420, 87792, 109740, 110920, 116560, 133104, 146320, 166380, 171926, 174840, 219480, 221840, 257889, 332760, 343852, 349680, 429815, 438960, 515778, 665520, 687704, 859630, 1031556, 1289445, 1375408, 1719260, 2063112, 2578890, 3438520, 4126224, 5157780, 6877040, 10315560, 20631120]

約数ペア:

[(1, 20631120), (2, 10315560), (3, 6877040), (4, 5157780), (5, 4126224), (6, 3438520), (8, 2578890), (10, 2063112), (12, 1719260), (15, 1375408), (16, 1289445), (20, 1031556), (24, 859630), (30, 687704), (31, 665520), (40, 515778), (47, 438960), (48, 429815), (59, 349680), (60, 343852), (62, 332760), (80, 257889), (93, 221840), (94, 219480), (118, 174840), (120, 171926), (124, 166380), (141, 146320), (155, 133104), (177, 116560), (186, 110920), (188, 109740), (235, 87792), (236, 87420), (240, 85963), (248, 83190), (282, 73160), (295, 69936), (310, 66552), (354, 58280), (372, 55460), (376, 54870), (465, 44368), (470, 43896), (472, 43710), (496, 41595), (564, 36580), (590, 34968), (620, 33276), (705, 29264), (708, 29140), (744, 27730), (752, 27435), (885, 23312), (930, 22184), (940, 21948), (944, 21855), (1128, 18290), (1180, 17484), (1240, 16638), (1410, 14632), (1416, 14570), (1457, 14160), (1488, 13865), (1770, 11656), (1829, 11280), (1860, 11092), (1880, 10974), (2256, 9145), (2360, 8742), (2480, 8319), (2773, 7440), (2820, 7316), (2832, 7285), (2914, 7080), (3540, 5828), (3658, 5640), (3720, 5546), (3760, 5487), (4371, 4720)]