20925528

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1427}}^1$

素因数の和:1496

約数の個数: 64

約数和(自身を含む): 57576960

約数和(自身を除く): 36651432

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 47, 52, 78, 94, 104, 141, 156, 188, 282, 312, 376, 564, 611, 1128, 1222, 1427, 1833, 2444, 2854, 3666, 4281, 4888, 5708, 7332, 8562, 11416, 14664, 17124, 18551, 34248, 37102, 55653, 67069, 74204, 111306, 134138, 148408, 201207, 222612, 268276, 402414, 445224, 536552, 804828, 871897, 1609656, 1743794, 2615691, 3487588, 5231382, 6975176, 10462764, 20925528]

約数ペア:

[(1, 20925528), (2, 10462764), (3, 6975176), (4, 5231382), (6, 3487588), (8, 2615691), (12, 1743794), (13, 1609656), (24, 871897), (26, 804828), (39, 536552), (47, 445224), (52, 402414), (78, 268276), (94, 222612), (104, 201207), (141, 148408), (156, 134138), (188, 111306), (282, 74204), (312, 67069), (376, 55653), (564, 37102), (611, 34248), (1128, 18551), (1222, 17124), (1427, 14664), (1833, 11416), (2444, 8562), (2854, 7332), (3666, 5708), (4281, 4888)]