20631296

素因数分解:

$2^8\times 7^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 48810720

約数和(自身を除く): 28179424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 256, 397, 406, 448, 464, 794, 812, 896, 928, 1588, 1624, 1792, 1856, 2779, 3176, 3248, 3712, 5558, 6352, 6496, 7424, 11116, 11513, 12704, 12992, 22232, 23026, 25408, 25984, 44464, 46052, 50816, 51968, 80591, 88928, 92104, 101632, 161182, 177856, 184208, 322364, 355712, 368416, 644728, 711424, 736832, 1289456, 1473664, 2578912, 2947328, 5157824, 10315648, 20631296]

約数ペア:

[(1, 20631296), (2, 10315648), (4, 5157824), (7, 2947328), (8, 2578912), (14, 1473664), (16, 1289456), (28, 736832), (29, 711424), (32, 644728), (56, 368416), (58, 355712), (64, 322364), (112, 184208), (116, 177856), (128, 161182), (203, 101632), (224, 92104), (232, 88928), (256, 80591), (397, 51968), (406, 50816), (448, 46052), (464, 44464), (794, 25984), (812, 25408), (896, 23026), (928, 22232), (1588, 12992), (1624, 12704), (1792, 11513), (1856, 11116), (2779, 7424), (3176, 6496), (3248, 6352), (3712, 5558)]