20101778528

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{1187}}^1\times {\mathrm{40709}}^1$

素因数の和:41919

約数の個数: 48

約数和(自身を含む): 42656589360

約数和(自身を除く): 22554810832

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 1187, 2374, 4748, 9496, 15431, 18992, 30862, 37984, 40709, 61724, 81418, 123448, 162836, 246896, 325672, 493792, 529217, 651344, 1058434, 1302688, 2116868, 4233736, 8467472, 16934944, 48321583, 96643166, 193286332, 386572664, 628180579, 773145328, 1256361158, 1546290656, 2512722316, 5025444632, 10050889264, 20101778528]

約数ペア:

[(1, 20101778528), (2, 10050889264), (4, 5025444632), (8, 2512722316), (13, 1546290656), (16, 1256361158), (26, 773145328), (32, 628180579), (52, 386572664), (104, 193286332), (208, 96643166), (416, 48321583), (1187, 16934944), (2374, 8467472), (4748, 4233736), (9496, 2116868), (15431, 1302688), (18992, 1058434), (30862, 651344), (37984, 529217), (40709, 493792), (61724, 325672), (81418, 246896), (123448, 162836)]