20358661570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{617}}^1\times {\mathrm{4789}}^1$

素因数の和:5479

約数の個数: 64

約数和(自身を含む): 40282673760

約数和(自身を除く): 19924012190

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 617, 689, 1234, 1378, 3085, 3445, 4789, 6170, 6890, 8021, 9578, 16042, 23945, 32701, 40105, 47890, 62257, 65402, 80210, 124514, 163505, 253817, 311285, 327010, 425113, 507634, 622570, 850226, 1269085, 2125565, 2538170, 2954813, 3299621, 4251130, 5909626, 6599242, 14774065, 16498105, 29548130, 32996210, 38412569, 76825138, 156605089, 192062845, 313210178, 384125690, 783025445, 1566050890, 2035866157, 4071732314, 10179330785, 20358661570]

約数ペア:

[(1, 20358661570), (2, 10179330785), (5, 4071732314), (10, 2035866157), (13, 1566050890), (26, 783025445), (53, 384125690), (65, 313210178), (106, 192062845), (130, 156605089), (265, 76825138), (530, 38412569), (617, 32996210), (689, 29548130), (1234, 16498105), (1378, 14774065), (3085, 6599242), (3445, 5909626), (4789, 4251130), (6170, 3299621), (6890, 2954813), (8021, 2538170), (9578, 2125565), (16042, 1269085), (23945, 850226), (32701, 622570), (40105, 507634), (47890, 425113), (62257, 327010), (65402, 311285), (80210, 253817), (124514, 163505)]