20925248

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:295

約数の個数: 56

約数和(自身を含む): 43891200

約数和(自身を除く): 22965952

約数列:

[1, 2, 4, 8, 16, 31, 32, 53, 62, 64, 106, 124, 199, 212, 248, 398, 424, 496, 796, 848, 992, 1592, 1643, 1696, 1984, 3184, 3286, 3392, 6169, 6368, 6572, 10547, 12338, 12736, 13144, 21094, 24676, 26288, 42188, 49352, 52576, 84376, 98704, 105152, 168752, 197408, 326957, 337504, 394816, 653914, 675008, 1307828, 2615656, 5231312, 10462624, 20925248]

約数ペア:

[(1, 20925248), (2, 10462624), (4, 5231312), (8, 2615656), (16, 1307828), (31, 675008), (32, 653914), (53, 394816), (62, 337504), (64, 326957), (106, 197408), (124, 168752), (199, 105152), (212, 98704), (248, 84376), (398, 52576), (424, 49352), (496, 42188), (796, 26288), (848, 24676), (992, 21094), (1592, 13144), (1643, 12736), (1696, 12338), (1984, 10547), (3184, 6572), (3286, 6368), (3392, 6169)]