20944260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5059}}^1$

素因数の和:5097

約数の個数: 72

約数和(自身を含む): 66306240

約数和(自身を除く): 45361980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 5059, 10118, 15177, 20236, 25295, 30354, 45531, 50590, 60708, 75885, 91062, 101180, 116357, 151770, 182124, 227655, 232714, 303540, 349071, 455310, 465428, 581785, 698142, 910620, 1047213, 1163570, 1396284, 1745355, 2094426, 2327140, 3490710, 4188852, 5236065, 6981420, 10472130, 20944260]

約数ペア:

[(1, 20944260), (2, 10472130), (3, 6981420), (4, 5236065), (5, 4188852), (6, 3490710), (9, 2327140), (10, 2094426), (12, 1745355), (15, 1396284), (18, 1163570), (20, 1047213), (23, 910620), (30, 698142), (36, 581785), (45, 465428), (46, 455310), (60, 349071), (69, 303540), (90, 232714), (92, 227655), (115, 182124), (138, 151770), (180, 116357), (207, 101180), (230, 91062), (276, 75885), (345, 60708), (414, 50590), (460, 45531), (690, 30354), (828, 25295), (1035, 20236), (1380, 15177), (2070, 10118), (4140, 5059)]