20504150205

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53959}}^1$

素因数の和:54039

約数の個数: 96

約数和(自身を含む): 42518753280

約数和(自身を除く): 22014603075

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 47, 49, 55, 77, 105, 141, 147, 165, 231, 235, 245, 329, 385, 517, 539, 705, 735, 987, 1155, 1551, 1617, 1645, 2303, 2585, 2695, 3619, 4935, 6909, 7755, 8085, 10857, 11515, 18095, 25333, 34545, 53959, 54285, 75999, 126665, 161877, 269795, 377713, 379995, 593549, 809385, 1133139, 1780647, 1888565, 2536073, 2643991, 2967745, 4154843, 5665695, 7608219, 7931973, 8903235, 12464529, 12680365, 13219955, 17752511, 20774215, 27896803, 29083901, 38041095, 39659865, 53257533, 62322645, 83690409, 87251703, 88762555, 124267577, 139484015, 145419505, 195277621, 266287665, 372802731, 418452045, 436258515, 585832863, 621337885, 976388105, 1366943347, 1864013655, 2929164315, 4100830041, 6834716735, 20504150205]

約数ペア:

[(1, 20504150205), (3, 6834716735), (5, 4100830041), (7, 2929164315), (11, 1864013655), (15, 1366943347), (21, 976388105), (33, 621337885), (35, 585832863), (47, 436258515), (49, 418452045), (55, 372802731), (77, 266287665), (105, 195277621), (141, 145419505), (147, 139484015), (165, 124267577), (231, 88762555), (235, 87251703), (245, 83690409), (329, 62322645), (385, 53257533), (517, 39659865), (539, 38041095), (705, 29083901), (735, 27896803), (987, 20774215), (1155, 17752511), (1551, 13219955), (1617, 12680365), (1645, 12464529), (2303, 8903235), (2585, 7931973), (2695, 7608219), (3619, 5665695), (4935, 4154843), (6909, 2967745), (7755, 2643991), (8085, 2536073), (10857, 1888565), (11515, 1780647), (18095, 1133139), (25333, 809385), (34545, 593549), (53959, 379995), (54285, 377713), (75999, 269795), (126665, 161877)]