20067320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 57456000

約数和(自身を除く): 37388680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 91, 104, 130, 140, 148, 149, 182, 185, 259, 260, 280, 296, 298, 364, 370, 455, 481, 518, 520, 596, 728, 740, 745, 910, 962, 1036, 1043, 1192, 1295, 1480, 1490, 1820, 1924, 1937, 2072, 2086, 2405, 2590, 2980, 3367, 3640, 3848, 3874, 4172, 4810, 5180, 5215, 5513, 5960, 6734, 7748, 8344, 9620, 9685, 10360, 10430, 11026, 13468, 13559, 15496, 16835, 19240, 19370, 20860, 22052, 26936, 27118, 27565, 33670, 38591, 38740, 41720, 44104, 54236, 55130, 67340, 67795, 71669, 77182, 77480, 108472, 110260, 134680, 135590, 143338, 154364, 192955, 220520, 271180, 286676, 308728, 358345, 385910, 501683, 542360, 573352, 716690, 771820, 1003366, 1433380, 1543640, 2006732, 2508415, 2866760, 4013464, 5016830, 10033660, 20067320]

約数ペア:

[(1, 20067320), (2, 10033660), (4, 5016830), (5, 4013464), (7, 2866760), (8, 2508415), (10, 2006732), (13, 1543640), (14, 1433380), (20, 1003366), (26, 771820), (28, 716690), (35, 573352), (37, 542360), (40, 501683), (52, 385910), (56, 358345), (65, 308728), (70, 286676), (74, 271180), (91, 220520), (104, 192955), (130, 154364), (140, 143338), (148, 135590), (149, 134680), (182, 110260), (185, 108472), (259, 77480), (260, 77182), (280, 71669), (296, 67795), (298, 67340), (364, 55130), (370, 54236), (455, 44104), (481, 41720), (518, 38740), (520, 38591), (596, 33670), (728, 27565), (740, 27118), (745, 26936), (910, 22052), (962, 20860), (1036, 19370), (1043, 19240), (1192, 16835), (1295, 15496), (1480, 13559), (1490, 13468), (1820, 11026), (1924, 10430), (1937, 10360), (2072, 9685), (2086, 9620), (2405, 8344), (2590, 7748), (2980, 6734), (3367, 5960), (3640, 5513), (3848, 5215), (3874, 5180), (4172, 4810)]