20454985936

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{13063}}^1$

素因数の和:13161

約数の個数: 160

約数和(自身を含む): 52252655616

約数和(自身を除く): 31797669680

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 41, 44, 56, 62, 77, 82, 88, 112, 124, 154, 164, 176, 217, 248, 287, 308, 328, 341, 434, 451, 496, 574, 616, 656, 682, 868, 902, 1148, 1232, 1271, 1364, 1736, 1804, 2296, 2387, 2542, 2728, 3157, 3472, 3608, 4592, 4774, 5084, 5456, 6314, 7216, 8897, 9548, 10168, 12628, 13063, 13981, 17794, 19096, 20336, 25256, 26126, 27962, 35588, 38192, 50512, 52252, 55924, 71176, 91441, 97867, 104504, 111848, 142352, 143693, 182882, 195734, 209008, 223696, 287386, 365764, 391468, 404953, 535583, 574772, 731528, 782936, 809906, 1005851, 1071166, 1149544, 1463056, 1565872, 1619812, 2011702, 2142332, 2299088, 2834671, 3239624, 3749081, 4023404, 4284664, 4454483, 5669342, 5891413, 6479248, 7498162, 8046808, 8569328, 8908966, 11338684, 11782826, 14996324, 16093616, 16603073, 17817932, 22677368, 23565652, 29992648, 31181381, 33206146, 35635864, 41239891, 45354736, 47131304, 59985296, 62362762, 66412292, 71271728, 82479782, 94262608, 116221511, 124725524, 132824584, 164959564, 182633803, 232443022, 249451048, 265649168, 329919128, 365267606, 464886044, 498902096, 659838256, 730535212, 929772088, 1278436621, 1461070424, 1859544176, 2556873242, 2922140848, 5113746484, 10227492968, 20454985936]

約数ペア:

[(1, 20454985936), (2, 10227492968), (4, 5113746484), (7, 2922140848), (8, 2556873242), (11, 1859544176), (14, 1461070424), (16, 1278436621), (22, 929772088), (28, 730535212), (31, 659838256), (41, 498902096), (44, 464886044), (56, 365267606), (62, 329919128), (77, 265649168), (82, 249451048), (88, 232443022), (112, 182633803), (124, 164959564), (154, 132824584), (164, 124725524), (176, 116221511), (217, 94262608), (248, 82479782), (287, 71271728), (308, 66412292), (328, 62362762), (341, 59985296), (434, 47131304), (451, 45354736), (496, 41239891), (574, 35635864), (616, 33206146), (656, 31181381), (682, 29992648), (868, 23565652), (902, 22677368), (1148, 17817932), (1232, 16603073), (1271, 16093616), (1364, 14996324), (1736, 11782826), (1804, 11338684), (2296, 8908966), (2387, 8569328), (2542, 8046808), (2728, 7498162), (3157, 6479248), (3472, 5891413), (3608, 5669342), (4592, 4454483), (4774, 4284664), (5084, 4023404), (5456, 3749081), (6314, 3239624), (7216, 2834671), (8897, 2299088), (9548, 2142332), (10168, 2011702), (12628, 1619812), (13063, 1565872), (13981, 1463056), (17794, 1149544), (19096, 1071166), (20336, 1005851), (25256, 809906), (26126, 782936), (27962, 731528), (35588, 574772), (38192, 535583), (50512, 404953), (52252, 391468), (55924, 365764), (71176, 287386), (91441, 223696), (97867, 209008), (104504, 195734), (111848, 182882), (142352, 143693)]