20020832

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 47628000

約数和(自身を除く): 27607168

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 32, 34, 38, 52, 68, 76, 104, 136, 149, 152, 208, 221, 247, 272, 298, 304, 323, 416, 442, 494, 544, 596, 608, 646, 884, 988, 1192, 1292, 1768, 1937, 1976, 2384, 2533, 2584, 2831, 3536, 3874, 3952, 4199, 4768, 5066, 5168, 5662, 7072, 7748, 7904, 8398, 10132, 10336, 11324, 15496, 16796, 20264, 22648, 30992, 32929, 33592, 36803, 40528, 45296, 48127, 61984, 65858, 67184, 73606, 81056, 90592, 96254, 131716, 134368, 147212, 192508, 263432, 294424, 385016, 526864, 588848, 625651, 770032, 1053728, 1177696, 1251302, 1540064, 2502604, 5005208, 10010416, 20020832]

約数ペア:

[(1, 20020832), (2, 10010416), (4, 5005208), (8, 2502604), (13, 1540064), (16, 1251302), (17, 1177696), (19, 1053728), (26, 770032), (32, 625651), (34, 588848), (38, 526864), (52, 385016), (68, 294424), (76, 263432), (104, 192508), (136, 147212), (149, 134368), (152, 131716), (208, 96254), (221, 90592), (247, 81056), (272, 73606), (298, 67184), (304, 65858), (323, 61984), (416, 48127), (442, 45296), (494, 40528), (544, 36803), (596, 33592), (608, 32929), (646, 30992), (884, 22648), (988, 20264), (1192, 16796), (1292, 15496), (1768, 11324), (1937, 10336), (1976, 10132), (2384, 8398), (2533, 7904), (2584, 7748), (2831, 7072), (3536, 5662), (3874, 5168), (3952, 5066), (4199, 4768)]