20761832

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 51206400

約数和(自身を除く): 30444568

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 79, 91, 104, 133, 152, 158, 182, 247, 266, 316, 361, 364, 494, 532, 553, 632, 722, 728, 988, 1027, 1064, 1106, 1444, 1501, 1729, 1976, 2054, 2212, 2527, 2888, 3002, 3458, 4108, 4424, 4693, 5054, 6004, 6916, 7189, 8216, 9386, 10108, 10507, 12008, 13832, 14378, 18772, 19513, 20216, 21014, 28519, 28756, 32851, 37544, 39026, 42028, 57038, 57512, 65702, 78052, 84056, 114076, 131404, 136591, 156104, 199633, 228152, 262808, 273182, 370747, 399266, 546364, 741494, 798532, 1092728, 1482988, 1597064, 2595229, 2965976, 5190458, 10380916, 20761832]

約数ペア:

[(1, 20761832), (2, 10380916), (4, 5190458), (7, 2965976), (8, 2595229), (13, 1597064), (14, 1482988), (19, 1092728), (26, 798532), (28, 741494), (38, 546364), (52, 399266), (56, 370747), (76, 273182), (79, 262808), (91, 228152), (104, 199633), (133, 156104), (152, 136591), (158, 131404), (182, 114076), (247, 84056), (266, 78052), (316, 65702), (361, 57512), (364, 57038), (494, 42028), (532, 39026), (553, 37544), (632, 32851), (722, 28756), (728, 28519), (988, 21014), (1027, 20216), (1064, 19513), (1106, 18772), (1444, 14378), (1501, 13832), (1729, 12008), (1976, 10507), (2054, 10108), (2212, 9386), (2527, 8216), (2888, 7189), (3002, 6916), (3458, 6004), (4108, 5054), (4424, 4693)]