20145128848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{2963}}^1\times {\mathrm{32687}}^1$

素因数の和:35671

約数の個数: 40

約数和(自身を含む): 42049058688

約数和(自身を除く): 21903929840

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 2963, 5926, 11852, 23704, 32687, 38519, 47408, 65374, 77038, 130748, 154076, 261496, 308152, 424931, 522992, 616304, 849862, 1699724, 3399448, 6798896, 96851581, 193703162, 387406324, 774812648, 1259070553, 1549625296, 2518141106, 5036282212, 10072564424, 20145128848]

約数ペア:

[(1, 20145128848), (2, 10072564424), (4, 5036282212), (8, 2518141106), (13, 1549625296), (16, 1259070553), (26, 774812648), (52, 387406324), (104, 193703162), (208, 96851581), (2963, 6798896), (5926, 3399448), (11852, 1699724), (23704, 849862), (32687, 616304), (38519, 522992), (47408, 424931), (65374, 308152), (77038, 261496), (130748, 154076)]