20105696

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2843}}^1$

素因数の和:2883

約数の個数: 48

約数和(自身を含む): 45151344

約数和(自身を除く): 25045648

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 2843, 3536, 5686, 7072, 11372, 22744, 36959, 45488, 48331, 73918, 90976, 96662, 147836, 193324, 295672, 386648, 591344, 628303, 773296, 1182688, 1256606, 1546592, 2513212, 5026424, 10052848, 20105696]

約数ペア:

[(1, 20105696), (2, 10052848), (4, 5026424), (8, 2513212), (13, 1546592), (16, 1256606), (17, 1182688), (26, 773296), (32, 628303), (34, 591344), (52, 386648), (68, 295672), (104, 193324), (136, 147836), (208, 96662), (221, 90976), (272, 73918), (416, 48331), (442, 45488), (544, 36959), (884, 22744), (1768, 11372), (2843, 7072), (3536, 5686)]