20345249600

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{23857}}^1$

素因数の和:23933

約数の個数: 168

約数和(自身を含む): 55230220248

約数和(自身を除く): 34884970648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 41, 50, 52, 64, 65, 80, 82, 100, 104, 130, 160, 164, 200, 205, 208, 260, 320, 325, 328, 400, 410, 416, 520, 533, 650, 656, 800, 820, 832, 1025, 1040, 1066, 1300, 1312, 1600, 1640, 2050, 2080, 2132, 2600, 2624, 2665, 3280, 4100, 4160, 4264, 5200, 5330, 6560, 8200, 8528, 10400, 10660, 13120, 13325, 16400, 17056, 20800, 21320, 23857, 26650, 32800, 34112, 42640, 47714, 53300, 65600, 85280, 95428, 106600, 119285, 170560, 190856, 213200, 238570, 310141, 381712, 426400, 477140, 596425, 620282, 763424, 852800, 954280, 978137, 1192850, 1240564, 1526848, 1550705, 1908560, 1956274, 2385700, 2481128, 3101410, 3817120, 3912548, 4771400, 4890685, 4962256, 6202820, 7634240, 7753525, 7825096, 9542800, 9781370, 9924512, 12405640, 12715781, 15507050, 15650192, 19085600, 19562740, 19849024, 24453425, 24811280, 25431562, 31014100, 31300384, 38171200, 39125480, 48906850, 49622560, 50863124, 62028200, 62600768, 63578905, 78250960, 97813700, 99245120, 101726248, 124056400, 127157810, 156501920, 195627400, 203452496, 248112800, 254315620, 313003840, 317894525, 391254800, 406904992, 496225600, 508631240, 635789050, 782509600, 813809984, 1017262480, 1271578100, 1565019200, 2034524960, 2543156200, 4069049920, 5086312400, 10172624800, 20345249600]

約数ペア:

[(1, 20345249600), (2, 10172624800), (4, 5086312400), (5, 4069049920), (8, 2543156200), (10, 2034524960), (13, 1565019200), (16, 1271578100), (20, 1017262480), (25, 813809984), (26, 782509600), (32, 635789050), (40, 508631240), (41, 496225600), (50, 406904992), (52, 391254800), (64, 317894525), (65, 313003840), (80, 254315620), (82, 248112800), (100, 203452496), (104, 195627400), (130, 156501920), (160, 127157810), (164, 124056400), (200, 101726248), (205, 99245120), (208, 97813700), (260, 78250960), (320, 63578905), (325, 62600768), (328, 62028200), (400, 50863124), (410, 49622560), (416, 48906850), (520, 39125480), (533, 38171200), (650, 31300384), (656, 31014100), (800, 25431562), (820, 24811280), (832, 24453425), (1025, 19849024), (1040, 19562740), (1066, 19085600), (1300, 15650192), (1312, 15507050), (1600, 12715781), (1640, 12405640), (2050, 9924512), (2080, 9781370), (2132, 9542800), (2600, 7825096), (2624, 7753525), (2665, 7634240), (3280, 6202820), (4100, 4962256), (4160, 4890685), (4264, 4771400), (5200, 3912548), (5330, 3817120), (6560, 3101410), (8200, 2481128), (8528, 2385700), (10400, 1956274), (10660, 1908560), (13120, 1550705), (13325, 1526848), (16400, 1240564), (17056, 1192850), (20800, 978137), (21320, 954280), (23857, 852800), (26650, 763424), (32800, 620282), (34112, 596425), (42640, 477140), (47714, 426400), (53300, 381712), (65600, 310141), (85280, 238570), (95428, 213200), (106600, 190856), (119285, 170560)]