20253392

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3919}}^1$

素因数の和:3963

約数の個数: 40

約数和(自身を含む): 43747200

約数和(自身を除く): 23493808

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 3919, 5168, 7838, 15676, 31352, 62704, 66623, 74461, 133246, 148922, 266492, 297844, 532984, 595688, 1065968, 1191376, 1265837, 2531674, 5063348, 10126696, 20253392]

約数ペア:

[(1, 20253392), (2, 10126696), (4, 5063348), (8, 2531674), (16, 1265837), (17, 1191376), (19, 1065968), (34, 595688), (38, 532984), (68, 297844), (76, 266492), (136, 148922), (152, 133246), (272, 74461), (304, 66623), (323, 62704), (646, 31352), (1292, 15676), (2584, 7838), (3919, 5168)]