20973720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9199}}^1$

素因数の和:9232

約数の個数: 64

約数和(自身を含む): 66240000

約数和(自身を除く): 45266280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 9199, 18398, 27597, 36796, 45995, 55194, 73592, 91990, 110388, 137985, 174781, 183980, 220776, 275970, 349562, 367960, 524343, 551940, 699124, 873905, 1048686, 1103880, 1398248, 1747810, 2097372, 2621715, 3495620, 4194744, 5243430, 6991240, 10486860, 20973720]

約数ペア:

[(1, 20973720), (2, 10486860), (3, 6991240), (4, 5243430), (5, 4194744), (6, 3495620), (8, 2621715), (10, 2097372), (12, 1747810), (15, 1398248), (19, 1103880), (20, 1048686), (24, 873905), (30, 699124), (38, 551940), (40, 524343), (57, 367960), (60, 349562), (76, 275970), (95, 220776), (114, 183980), (120, 174781), (152, 137985), (190, 110388), (228, 91990), (285, 73592), (380, 55194), (456, 45995), (570, 36796), (760, 27597), (1140, 18398), (2280, 9199)]