20157384

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 57718080

約数和(自身を除く): 37560696

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 53, 69, 78, 92, 104, 106, 138, 156, 159, 184, 212, 276, 299, 312, 318, 424, 552, 598, 636, 689, 897, 1196, 1219, 1272, 1378, 1794, 2067, 2392, 2438, 2756, 2809, 3588, 3657, 4134, 4876, 5512, 5618, 7176, 7314, 8268, 8427, 9752, 11236, 14628, 15847, 16536, 16854, 22472, 29256, 31694, 33708, 36517, 47541, 63388, 64607, 67416, 73034, 95082, 109551, 126776, 129214, 146068, 190164, 193821, 219102, 258428, 292136, 380328, 387642, 438204, 516856, 775284, 839891, 876408, 1550568, 1679782, 2519673, 3359564, 5039346, 6719128, 10078692, 20157384]

約数ペア:

[(1, 20157384), (2, 10078692), (3, 6719128), (4, 5039346), (6, 3359564), (8, 2519673), (12, 1679782), (13, 1550568), (23, 876408), (24, 839891), (26, 775284), (39, 516856), (46, 438204), (52, 387642), (53, 380328), (69, 292136), (78, 258428), (92, 219102), (104, 193821), (106, 190164), (138, 146068), (156, 129214), (159, 126776), (184, 109551), (212, 95082), (276, 73034), (299, 67416), (312, 64607), (318, 63388), (424, 47541), (552, 36517), (598, 33708), (636, 31694), (689, 29256), (897, 22472), (1196, 16854), (1219, 16536), (1272, 15847), (1378, 14628), (1794, 11236), (2067, 9752), (2392, 8427), (2438, 8268), (2756, 7314), (2809, 7176), (3588, 5618), (3657, 5512), (4134, 4876)]