20601100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:116

約数の個数: 108

約数和(自身を含む): 51465456

約数和(自身を除く): 30864356

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 46, 50, 52, 53, 65, 92, 100, 106, 115, 130, 169, 212, 230, 260, 265, 299, 325, 338, 460, 530, 575, 598, 650, 676, 689, 845, 1060, 1150, 1196, 1219, 1300, 1325, 1378, 1495, 1690, 2300, 2438, 2650, 2756, 2990, 3380, 3445, 3887, 4225, 4876, 5300, 5980, 6095, 6890, 7475, 7774, 8450, 8957, 12190, 13780, 14950, 15548, 15847, 16900, 17225, 17914, 19435, 24380, 29900, 30475, 31694, 34450, 35828, 38870, 44785, 60950, 63388, 68900, 77740, 79235, 89570, 97175, 121900, 158470, 179140, 194350, 206011, 223925, 316940, 388700, 396175, 412022, 447850, 792350, 824044, 895700, 1030055, 1584700, 2060110, 4120220, 5150275, 10300550, 20601100]

約数ペア:

[(1, 20601100), (2, 10300550), (4, 5150275), (5, 4120220), (10, 2060110), (13, 1584700), (20, 1030055), (23, 895700), (25, 824044), (26, 792350), (46, 447850), (50, 412022), (52, 396175), (53, 388700), (65, 316940), (92, 223925), (100, 206011), (106, 194350), (115, 179140), (130, 158470), (169, 121900), (212, 97175), (230, 89570), (260, 79235), (265, 77740), (299, 68900), (325, 63388), (338, 60950), (460, 44785), (530, 38870), (575, 35828), (598, 34450), (650, 31694), (676, 30475), (689, 29900), (845, 24380), (1060, 19435), (1150, 17914), (1196, 17225), (1219, 16900), (1300, 15847), (1325, 15548), (1378, 14950), (1495, 13780), (1690, 12190), (2300, 8957), (2438, 8450), (2650, 7774), (2756, 7475), (2990, 6890), (3380, 6095), (3445, 5980), (3887, 5300), (4225, 4876)]