20764770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1439}}^1$

素因数の和:1499

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 34392990

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 65, 74, 78, 111, 130, 185, 195, 222, 370, 390, 481, 555, 962, 1110, 1439, 1443, 2405, 2878, 2886, 4317, 4810, 7195, 7215, 8634, 14390, 14430, 18707, 21585, 37414, 43170, 53243, 56121, 93535, 106486, 112242, 159729, 187070, 266215, 280605, 319458, 532430, 561210, 692159, 798645, 1384318, 1597290, 2076477, 3460795, 4152954, 6921590, 10382385, 20764770]

約数ペア:

[(1, 20764770), (2, 10382385), (3, 6921590), (5, 4152954), (6, 3460795), (10, 2076477), (13, 1597290), (15, 1384318), (26, 798645), (30, 692159), (37, 561210), (39, 532430), (65, 319458), (74, 280605), (78, 266215), (111, 187070), (130, 159729), (185, 112242), (195, 106486), (222, 93535), (370, 56121), (390, 53243), (481, 43170), (555, 37414), (962, 21585), (1110, 18707), (1439, 14430), (1443, 14390), (2405, 8634), (2878, 7215), (2886, 7195), (4317, 4810)]