20422303920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{20719}}^1$

素因数の和:20812

約数の個数: 180

約数和(自身を含む): 70492050720

約数和(自身を除く): 50069746800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 111, 120, 144, 148, 180, 185, 222, 240, 296, 333, 360, 370, 444, 555, 592, 666, 720, 740, 888, 1110, 1332, 1369, 1480, 1665, 1776, 2220, 2664, 2738, 2960, 3330, 4107, 4440, 5328, 5476, 6660, 6845, 8214, 8880, 10952, 12321, 13320, 13690, 16428, 20535, 20719, 21904, 24642, 26640, 27380, 32856, 41070, 41438, 49284, 54760, 61605, 62157, 65712, 82140, 82876, 98568, 103595, 109520, 123210, 124314, 164280, 165752, 186471, 197136, 207190, 246420, 248628, 310785, 328560, 331504, 372942, 414380, 492840, 497256, 621570, 745884, 766603, 828760, 932355, 985680, 994512, 1243140, 1491768, 1533206, 1657520, 1864710, 2299809, 2486280, 2983536, 3066412, 3729420, 3833015, 4599618, 4972560, 6132824, 6899427, 7458840, 7666030, 9199236, 11499045, 12265648, 13798854, 14917680, 15332060, 18398472, 22998090, 27597708, 28364311, 30664120, 34497135, 36796944, 45996180, 55195416, 56728622, 61328240, 68994270, 85092933, 91992360, 110390832, 113457244, 137988540, 141821555, 170185866, 183984720, 226914488, 255278799, 275977080, 283643110, 340371732, 425464665, 453828976, 510557598, 551954160, 567286220, 680743464, 850929330, 1021115196, 1134572440, 1276393995, 1361486928, 1701858660, 2042230392, 2269144880, 2552787990, 3403717320, 4084460784, 5105575980, 6807434640, 10211151960, 20422303920]

約数ペア:

[(1, 20422303920), (2, 10211151960), (3, 6807434640), (4, 5105575980), (5, 4084460784), (6, 3403717320), (8, 2552787990), (9, 2269144880), (10, 2042230392), (12, 1701858660), (15, 1361486928), (16, 1276393995), (18, 1134572440), (20, 1021115196), (24, 850929330), (30, 680743464), (36, 567286220), (37, 551954160), (40, 510557598), (45, 453828976), (48, 425464665), (60, 340371732), (72, 283643110), (74, 275977080), (80, 255278799), (90, 226914488), (111, 183984720), (120, 170185866), (144, 141821555), (148, 137988540), (180, 113457244), (185, 110390832), (222, 91992360), (240, 85092933), (296, 68994270), (333, 61328240), (360, 56728622), (370, 55195416), (444, 45996180), (555, 36796944), (592, 34497135), (666, 30664120), (720, 28364311), (740, 27597708), (888, 22998090), (1110, 18398472), (1332, 15332060), (1369, 14917680), (1480, 13798854), (1665, 12265648), (1776, 11499045), (2220, 9199236), (2664, 7666030), (2738, 7458840), (2960, 6899427), (3330, 6132824), (4107, 4972560), (4440, 4599618), (5328, 3833015), (5476, 3729420), (6660, 3066412), (6845, 2983536), (8214, 2486280), (8880, 2299809), (10952, 1864710), (12321, 1657520), (13320, 1533206), (13690, 1491768), (16428, 1243140), (20535, 994512), (20719, 985680), (21904, 932355), (24642, 828760), (26640, 766603), (27380, 745884), (32856, 621570), (41070, 497256), (41438, 492840), (49284, 414380), (54760, 372942), (61605, 331504), (62157, 328560), (65712, 310785), (82140, 248628), (82876, 246420), (98568, 207190), (103595, 197136), (109520, 186471), (123210, 165752), (124314, 164280)]