20403072

素因数分解:

$2^7\times 3^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:308

約数の個数: 96

約数和(自身を含む): 59670000

約数和(自身を除く): 39266928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 89, 96, 128, 144, 178, 192, 199, 267, 288, 356, 384, 398, 534, 576, 597, 712, 796, 801, 1068, 1152, 1194, 1424, 1592, 1602, 1791, 2136, 2388, 2848, 3184, 3204, 3582, 4272, 4776, 5696, 6368, 6408, 7164, 8544, 9552, 11392, 12736, 12816, 14328, 17088, 17711, 19104, 25472, 25632, 28656, 34176, 35422, 38208, 51264, 53133, 57312, 70844, 76416, 102528, 106266, 114624, 141688, 159399, 212532, 229248, 283376, 318798, 425064, 566752, 637596, 850128, 1133504, 1275192, 1700256, 2267008, 2550384, 3400512, 5100768, 6801024, 10201536, 20403072]

約数ペア:

[(1, 20403072), (2, 10201536), (3, 6801024), (4, 5100768), (6, 3400512), (8, 2550384), (9, 2267008), (12, 1700256), (16, 1275192), (18, 1133504), (24, 850128), (32, 637596), (36, 566752), (48, 425064), (64, 318798), (72, 283376), (89, 229248), (96, 212532), (128, 159399), (144, 141688), (178, 114624), (192, 106266), (199, 102528), (267, 76416), (288, 70844), (356, 57312), (384, 53133), (398, 51264), (534, 38208), (576, 35422), (597, 34176), (712, 28656), (796, 25632), (801, 25472), (1068, 19104), (1152, 17711), (1194, 17088), (1424, 14328), (1592, 12816), (1602, 12736), (1791, 11392), (2136, 9552), (2388, 8544), (2848, 7164), (3184, 6408), (3204, 6368), (3582, 5696), (4272, 4776)]