20153744390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{829}}^1\times {\mathrm{4349}}^1$

素因数の和:5241

約数の個数: 64

約数和(自身を含む): 40033224000

約数和(自身を除く): 19879479610

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 829, 1118, 1658, 2795, 4145, 4349, 5590, 8290, 8698, 10777, 21554, 21745, 35647, 43490, 53885, 56537, 71294, 107770, 113074, 178235, 187007, 282685, 356470, 374014, 463411, 565370, 926822, 935035, 1870070, 2317055, 2431091, 3605321, 4634110, 4862182, 7210642, 12155455, 18026605, 24310910, 36053210, 46869173, 93738346, 155028803, 234345865, 310057606, 468691730, 775144015, 1550288030, 2015374439, 4030748878, 10076872195, 20153744390]

約数ペア:

[(1, 20153744390), (2, 10076872195), (5, 4030748878), (10, 2015374439), (13, 1550288030), (26, 775144015), (43, 468691730), (65, 310057606), (86, 234345865), (130, 155028803), (215, 93738346), (430, 46869173), (559, 36053210), (829, 24310910), (1118, 18026605), (1658, 12155455), (2795, 7210642), (4145, 4862182), (4349, 4634110), (5590, 3605321), (8290, 2431091), (8698, 2317055), (10777, 1870070), (21554, 935035), (21745, 926822), (35647, 565370), (43490, 463411), (53885, 374014), (56537, 356470), (71294, 282685), (107770, 187007), (113074, 178235)]