20218505190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{978157}}^1$

素因数の和:978233

約数の個数: 64

約数和(自身を含む): 53243096256

約数和(自身を除く): 33024591066

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 53, 65, 78, 106, 130, 159, 195, 265, 318, 390, 530, 689, 795, 1378, 1590, 2067, 3445, 4134, 6890, 10335, 20670, 978157, 1956314, 2934471, 4890785, 5868942, 9781570, 12716041, 14672355, 25432082, 29344710, 38148123, 51842321, 63580205, 76296246, 103684642, 127160410, 155526963, 190740615, 259211605, 311053926, 381481230, 518423210, 673950173, 777634815, 1347900346, 1555269630, 2021850519, 3369750865, 4043701038, 6739501730, 10109252595, 20218505190]

約数ペア:

[(1, 20218505190), (2, 10109252595), (3, 6739501730), (5, 4043701038), (6, 3369750865), (10, 2021850519), (13, 1555269630), (15, 1347900346), (26, 777634815), (30, 673950173), (39, 518423210), (53, 381481230), (65, 311053926), (78, 259211605), (106, 190740615), (130, 155526963), (159, 127160410), (195, 103684642), (265, 76296246), (318, 63580205), (390, 51842321), (530, 38148123), (689, 29344710), (795, 25432082), (1378, 14672355), (1590, 12716041), (2067, 9781570), (3445, 5868942), (4134, 4890785), (6890, 2934471), (10335, 1956314), (20670, 978157)]