20197713376

素因数分解:

$2^5\times {\mathrm{163}}^1\times {\mathrm{311}}^1\times {\mathrm{12451}}^1$

素因数の和:12935

約数の個数: 48

約数和(自身を含む): 40140067968

約数和(自身を除く): 19942354592

約数列:

[1, 2, 4, 8, 16, 32, 163, 311, 326, 622, 652, 1244, 1304, 2488, 2608, 4976, 5216, 9952, 12451, 24902, 49804, 50693, 99608, 101386, 199216, 202772, 398432, 405544, 811088, 1622176, 2029513, 3872261, 4059026, 7744522, 8118052, 15489044, 16236104, 30978088, 32472208, 61956176, 64944416, 123912352, 631178543, 1262357086, 2524714172, 5049428344, 10098856688, 20197713376]

約数ペア:

[(1, 20197713376), (2, 10098856688), (4, 5049428344), (8, 2524714172), (16, 1262357086), (32, 631178543), (163, 123912352), (311, 64944416), (326, 61956176), (622, 32472208), (652, 30978088), (1244, 16236104), (1304, 15489044), (2488, 8118052), (2608, 7744522), (4976, 4059026), (5216, 3872261), (9952, 2029513), (12451, 1622176), (24902, 811088), (49804, 405544), (50693, 398432), (99608, 202772), (101386, 199216)]