20132283728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{8431}}^1\times {\mathrm{8779}}^1$

素因数の和:17235

約数の個数: 40

約数和(自身を含む): 41310391680

約数和(自身を除く): 21178107952

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 8431, 8779, 16862, 17558, 33724, 35116, 67448, 70232, 134896, 140464, 143327, 149243, 286654, 298486, 573308, 596972, 1146616, 1193944, 2293232, 2387888, 74015749, 148031498, 296062996, 592125992, 1184251984, 1258267733, 2516535466, 5033070932, 10066141864, 20132283728]

約数ペア:

[(1, 20132283728), (2, 10066141864), (4, 5033070932), (8, 2516535466), (16, 1258267733), (17, 1184251984), (34, 592125992), (68, 296062996), (136, 148031498), (272, 74015749), (8431, 2387888), (8779, 2293232), (16862, 1193944), (17558, 1146616), (33724, 596972), (35116, 573308), (67448, 298486), (70232, 286654), (134896, 149243), (140464, 143327)]