20107569720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1471}}^1\times {\mathrm{16273}}^1$

素因数の和:17765

約数の個数: 128

約数和(自身を含む): 68991344640

約数和(自身を除く): 48883774920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1471, 2942, 4413, 5884, 7355, 8826, 10297, 11768, 14710, 16273, 17652, 20594, 22065, 29420, 30891, 32546, 35304, 41188, 44130, 48819, 51485, 58840, 61782, 65092, 81365, 82376, 88260, 97638, 102970, 113911, 123564, 130184, 154455, 162730, 176520, 195276, 205940, 227822, 244095, 247128, 308910, 325460, 341733, 390552, 411880, 455644, 488190, 569555, 617820, 650920, 683466, 911288, 976380, 1139110, 1235640, 1366932, 1708665, 1952760, 2278220, 2733864, 3417330, 4556440, 6834660, 13669320, 23937583, 47875166, 71812749, 95750332, 119687915, 143625498, 167563081, 191500664, 239375830, 287250996, 335126162, 359063745, 478751660, 502689243, 574501992, 670252324, 718127490, 837815405, 957503320, 1005378486, 1340504648, 1436254980, 1675630810, 2010756972, 2513446215, 2872509960, 3351261620, 4021513944, 5026892430, 6702523240, 10053784860, 20107569720]

約数ペア:

[(1, 20107569720), (2, 10053784860), (3, 6702523240), (4, 5026892430), (5, 4021513944), (6, 3351261620), (7, 2872509960), (8, 2513446215), (10, 2010756972), (12, 1675630810), (14, 1436254980), (15, 1340504648), (20, 1005378486), (21, 957503320), (24, 837815405), (28, 718127490), (30, 670252324), (35, 574501992), (40, 502689243), (42, 478751660), (56, 359063745), (60, 335126162), (70, 287250996), (84, 239375830), (105, 191500664), (120, 167563081), (140, 143625498), (168, 119687915), (210, 95750332), (280, 71812749), (420, 47875166), (840, 23937583), (1471, 13669320), (2942, 6834660), (4413, 4556440), (5884, 3417330), (7355, 2733864), (8826, 2278220), (10297, 1952760), (11768, 1708665), (14710, 1366932), (16273, 1235640), (17652, 1139110), (20594, 976380), (22065, 911288), (29420, 683466), (30891, 650920), (32546, 617820), (35304, 569555), (41188, 488190), (44130, 455644), (48819, 411880), (51485, 390552), (58840, 341733), (61782, 325460), (65092, 308910), (81365, 247128), (82376, 244095), (88260, 227822), (97638, 205940), (102970, 195276), (113911, 176520), (123564, 162730), (130184, 154455)]