20545473720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2371}}^1\times {\mathrm{72211}}^1$

素因数の和:74596

約数の個数: 64

約数和(自身を含む): 61663271040

約数和(自身を除く): 41117797320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2371, 4742, 7113, 9484, 11855, 14226, 18968, 23710, 28452, 35565, 47420, 56904, 71130, 72211, 94840, 142260, 144422, 216633, 284520, 288844, 361055, 433266, 577688, 722110, 866532, 1083165, 1444220, 1733064, 2166330, 2888440, 4332660, 8665320, 171212281, 342424562, 513636843, 684849124, 856061405, 1027273686, 1369698248, 1712122810, 2054547372, 2568184215, 3424245620, 4109094744, 5136368430, 6848491240, 10272736860, 20545473720]

約数ペア:

[(1, 20545473720), (2, 10272736860), (3, 6848491240), (4, 5136368430), (5, 4109094744), (6, 3424245620), (8, 2568184215), (10, 2054547372), (12, 1712122810), (15, 1369698248), (20, 1027273686), (24, 856061405), (30, 684849124), (40, 513636843), (60, 342424562), (120, 171212281), (2371, 8665320), (4742, 4332660), (7113, 2888440), (9484, 2166330), (11855, 1733064), (14226, 1444220), (18968, 1083165), (23710, 866532), (28452, 722110), (35565, 577688), (47420, 433266), (56904, 361055), (71130, 288844), (72211, 284520), (94840, 216633), (142260, 144422)]