20346893320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{155891}}^1$

素因数の和:156166

約数の個数: 64

約数和(自身を含む): 49498827840

約数和(自身を除く): 29151934520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 251, 260, 502, 520, 1004, 1255, 2008, 2510, 3263, 5020, 6526, 10040, 13052, 16315, 26104, 32630, 65260, 130520, 155891, 311782, 623564, 779455, 1247128, 1558910, 2026583, 3117820, 4053166, 6235640, 8106332, 10132915, 16212664, 20265830, 39128641, 40531660, 78257282, 81063320, 156514564, 195643205, 313029128, 391286410, 508672333, 782572820, 1017344666, 1565145640, 2034689332, 2543361665, 4069378664, 5086723330, 10173446660, 20346893320]

約数ペア:

[(1, 20346893320), (2, 10173446660), (4, 5086723330), (5, 4069378664), (8, 2543361665), (10, 2034689332), (13, 1565145640), (20, 1017344666), (26, 782572820), (40, 508672333), (52, 391286410), (65, 313029128), (104, 195643205), (130, 156514564), (251, 81063320), (260, 78257282), (502, 40531660), (520, 39128641), (1004, 20265830), (1255, 16212664), (2008, 10132915), (2510, 8106332), (3263, 6235640), (5020, 4053166), (6526, 3117820), (10040, 2026583), (13052, 1558910), (16315, 1247128), (26104, 779455), (32630, 623564), (65260, 311782), (130520, 155891)]