20020452910

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{1553}}^1$

素因数の和:1969

約数の個数: 64

約数和(自身を含む): 37250648064

約数和(自身を除く): 17230195154

約数列:

[1, 2, 5, 10, 67, 71, 134, 142, 271, 335, 355, 542, 670, 710, 1355, 1553, 2710, 3106, 4757, 7765, 9514, 15530, 18157, 19241, 23785, 36314, 38482, 47570, 90785, 96205, 104051, 110263, 181570, 192410, 208102, 220526, 420863, 520255, 551315, 841726, 1040510, 1102630, 1289147, 2104315, 2578294, 4208630, 6445735, 7387621, 12891470, 14775242, 28197821, 29881273, 36938105, 56395642, 59762546, 73876210, 140989105, 149406365, 281978210, 298812730, 2002045291, 4004090582, 10010226455, 20020452910]

約数ペア:

[(1, 20020452910), (2, 10010226455), (5, 4004090582), (10, 2002045291), (67, 298812730), (71, 281978210), (134, 149406365), (142, 140989105), (271, 73876210), (335, 59762546), (355, 56395642), (542, 36938105), (670, 29881273), (710, 28197821), (1355, 14775242), (1553, 12891470), (2710, 7387621), (3106, 6445735), (4757, 4208630), (7765, 2578294), (9514, 2104315), (15530, 1289147), (18157, 1102630), (19241, 1040510), (23785, 841726), (36314, 551315), (38482, 520255), (47570, 420863), (90785, 220526), (96205, 208102), (104051, 192410), (110263, 181570)]