20199746368

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{373}}^1\times {\mathrm{10711}}^1$

素因数の和:11175

約数の個数: 56

約数和(自身を含む): 40703886080

約数和(自身を除く): 20504139712

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 158, 316, 373, 632, 746, 1264, 1492, 2528, 2984, 5056, 5968, 10711, 11936, 21422, 23872, 29467, 42844, 58934, 85688, 117868, 171376, 235736, 342752, 471472, 685504, 846169, 942944, 1692338, 1885888, 3384676, 3995203, 6769352, 7990406, 13538704, 15980812, 27077408, 31961624, 54154816, 63923248, 127846496, 255692992, 315621037, 631242074, 1262484148, 2524968296, 5049936592, 10099873184, 20199746368]

約数ペア:

[(1, 20199746368), (2, 10099873184), (4, 5049936592), (8, 2524968296), (16, 1262484148), (32, 631242074), (64, 315621037), (79, 255692992), (158, 127846496), (316, 63923248), (373, 54154816), (632, 31961624), (746, 27077408), (1264, 15980812), (1492, 13538704), (2528, 7990406), (2984, 6769352), (5056, 3995203), (5968, 3384676), (10711, 1885888), (11936, 1692338), (21422, 942944), (23872, 846169), (29467, 685504), (42844, 471472), (58934, 342752), (85688, 235736), (117868, 171376)]