20586768

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:240

約数の個数: 80

約数和(自身を含む): 55353600

約数和(自身を除く): 34766832

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 79, 89, 122, 158, 178, 183, 237, 244, 267, 316, 356, 366, 474, 488, 534, 632, 712, 732, 948, 976, 1068, 1264, 1424, 1464, 1896, 2136, 2928, 3792, 4272, 4819, 5429, 7031, 9638, 10858, 14062, 14457, 16287, 19276, 21093, 21716, 28124, 28914, 32574, 38552, 42186, 43432, 56248, 57828, 65148, 77104, 84372, 86864, 112496, 115656, 130296, 168744, 231312, 260592, 337488, 428891, 857782, 1286673, 1715564, 2573346, 3431128, 5146692, 6862256, 10293384, 20586768]

約数ペア:

[(1, 20586768), (2, 10293384), (3, 6862256), (4, 5146692), (6, 3431128), (8, 2573346), (12, 1715564), (16, 1286673), (24, 857782), (48, 428891), (61, 337488), (79, 260592), (89, 231312), (122, 168744), (158, 130296), (178, 115656), (183, 112496), (237, 86864), (244, 84372), (267, 77104), (316, 65148), (356, 57828), (366, 56248), (474, 43432), (488, 42186), (534, 38552), (632, 32574), (712, 28914), (732, 28124), (948, 21716), (976, 21093), (1068, 19276), (1264, 16287), (1424, 14457), (1464, 14062), (1896, 10858), (2136, 9638), (2928, 7031), (3792, 5429), (4272, 4819)]