20770491480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{638699}}^1$

素因数の和:638984

約数の個数: 64

約数和(自身を含む): 62541504000

約数和(自身を除く): 41771012520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 271, 542, 813, 1084, 1355, 1626, 2168, 2710, 3252, 4065, 5420, 6504, 8130, 10840, 16260, 32520, 638699, 1277398, 1916097, 2554796, 3193495, 3832194, 5109592, 6386990, 7664388, 9580485, 12773980, 15328776, 19160970, 25547960, 38321940, 76643880, 173087429, 346174858, 519262287, 692349716, 865437145, 1038524574, 1384699432, 1730874290, 2077049148, 2596311435, 3461748580, 4154098296, 5192622870, 6923497160, 10385245740, 20770491480]

約数ペア:

[(1, 20770491480), (2, 10385245740), (3, 6923497160), (4, 5192622870), (5, 4154098296), (6, 3461748580), (8, 2596311435), (10, 2077049148), (12, 1730874290), (15, 1384699432), (20, 1038524574), (24, 865437145), (30, 692349716), (40, 519262287), (60, 346174858), (120, 173087429), (271, 76643880), (542, 38321940), (813, 25547960), (1084, 19160970), (1355, 15328776), (1626, 12773980), (2168, 9580485), (2710, 7664388), (3252, 6386990), (4065, 5109592), (5420, 3832194), (6504, 3193495), (8130, 2554796), (10840, 1916097), (16260, 1277398), (32520, 638699)]