20105968128

素因数分解:

$2^9\times 3^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{1259}}^1$

素因数の和:1598

約数の個数: 160

約数和(自身を含む): 55250838720

約数和(自身を除く): 35144870592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 192, 222, 256, 281, 296, 384, 444, 512, 562, 592, 768, 843, 888, 1124, 1184, 1259, 1536, 1686, 1776, 2248, 2368, 2518, 3372, 3552, 3777, 4496, 4736, 5036, 6744, 7104, 7554, 8992, 9472, 10072, 10397, 13488, 14208, 15108, 17984, 18944, 20144, 20794, 26976, 28416, 30216, 31191, 35968, 40288, 41588, 46583, 53952, 56832, 60432, 62382, 71936, 80576, 83176, 93166, 107904, 120864, 124764, 139749, 143872, 161152, 166352, 186332, 215808, 241728, 249528, 279498, 322304, 332704, 353779, 372664, 431616, 483456, 499056, 558996, 644608, 665408, 707558, 745328, 966912, 998112, 1061337, 1117992, 1330816, 1415116, 1490656, 1933824, 1996224, 2122674, 2235984, 2661632, 2830232, 2981312, 3992448, 4245348, 4471968, 5323264, 5660464, 5962624, 7984896, 8490696, 8943936, 11320928, 11925248, 13089823, 15969792, 16981392, 17887872, 22641856, 23850496, 26179646, 33962784, 35775744, 39269469, 45283712, 52359292, 67925568, 71551488, 78538938, 90567424, 104718584, 135851136, 157077876, 181134848, 209437168, 271702272, 314155752, 418874336, 543404544, 628311504, 837748672, 1256623008, 1675497344, 2513246016, 3350994688, 5026492032, 6701989376, 10052984064, 20105968128]

約数ペア:

[(1, 20105968128), (2, 10052984064), (3, 6701989376), (4, 5026492032), (6, 3350994688), (8, 2513246016), (12, 1675497344), (16, 1256623008), (24, 837748672), (32, 628311504), (37, 543404544), (48, 418874336), (64, 314155752), (74, 271702272), (96, 209437168), (111, 181134848), (128, 157077876), (148, 135851136), (192, 104718584), (222, 90567424), (256, 78538938), (281, 71551488), (296, 67925568), (384, 52359292), (444, 45283712), (512, 39269469), (562, 35775744), (592, 33962784), (768, 26179646), (843, 23850496), (888, 22641856), (1124, 17887872), (1184, 16981392), (1259, 15969792), (1536, 13089823), (1686, 11925248), (1776, 11320928), (2248, 8943936), (2368, 8490696), (2518, 7984896), (3372, 5962624), (3552, 5660464), (3777, 5323264), (4496, 4471968), (4736, 4245348), (5036, 3992448), (6744, 2981312), (7104, 2830232), (7554, 2661632), (8992, 2235984), (9472, 2122674), (10072, 1996224), (10397, 1933824), (13488, 1490656), (14208, 1415116), (15108, 1330816), (17984, 1117992), (18944, 1061337), (20144, 998112), (20794, 966912), (26976, 745328), (28416, 707558), (30216, 665408), (31191, 644608), (35968, 558996), (40288, 499056), (41588, 483456), (46583, 431616), (53952, 372664), (56832, 353779), (60432, 332704), (62382, 322304), (71936, 279498), (80576, 249528), (83176, 241728), (93166, 215808), (107904, 186332), (120864, 166352), (124764, 161152), (139749, 143872)]