20166900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5171}}^1$

素因数の和:5201

約数の個数: 72

約数和(自身を含む): 62850144

約数和(自身を除く): 42683244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 5171, 10342, 15513, 20684, 25855, 31026, 51710, 62052, 67223, 77565, 103420, 129275, 134446, 155130, 201669, 258550, 268892, 310260, 336115, 387825, 403338, 517100, 672230, 775650, 806676, 1008345, 1344460, 1551300, 1680575, 2016690, 3361150, 4033380, 5041725, 6722300, 10083450, 20166900]

約数ペア:

[(1, 20166900), (2, 10083450), (3, 6722300), (4, 5041725), (5, 4033380), (6, 3361150), (10, 2016690), (12, 1680575), (13, 1551300), (15, 1344460), (20, 1008345), (25, 806676), (26, 775650), (30, 672230), (39, 517100), (50, 403338), (52, 387825), (60, 336115), (65, 310260), (75, 268892), (78, 258550), (100, 201669), (130, 155130), (150, 134446), (156, 129275), (195, 103420), (260, 77565), (300, 67223), (325, 62052), (390, 51710), (650, 31026), (780, 25855), (975, 20684), (1300, 15513), (1950, 10342), (3900, 5171)]