20204972940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19808797}}^1$

素因数の和:19808826

約数の個数: 48

約数和(自身を含む): 59901805152

約数和(自身を除く): 39696832212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 19808797, 39617594, 59426391, 79235188, 99043985, 118852782, 198087970, 237705564, 297131955, 336749549, 396175940, 594263910, 673499098, 1010248647, 1188527820, 1346998196, 1683747745, 2020497294, 3367495490, 4040994588, 5051243235, 6734990980, 10102486470, 20204972940]

約数ペア:

[(1, 20204972940), (2, 10102486470), (3, 6734990980), (4, 5051243235), (5, 4040994588), (6, 3367495490), (10, 2020497294), (12, 1683747745), (15, 1346998196), (17, 1188527820), (20, 1010248647), (30, 673499098), (34, 594263910), (51, 396175940), (60, 336749549), (68, 297131955), (85, 237705564), (102, 198087970), (170, 118852782), (204, 99043985), (255, 79235188), (340, 59426391), (510, 39617594), (1020, 19808797)]