20403844664

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1031}}^1\times {\mathrm{3499}}^1$

素因数の和:4644

約数の個数: 64

約数和(自身を含む): 44210880000

約数和(自身を除く): 23807035336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 202, 404, 707, 808, 1031, 1414, 2062, 2828, 3499, 4124, 5656, 6998, 7217, 8248, 13996, 14434, 24493, 27992, 28868, 48986, 57736, 97972, 104131, 195944, 208262, 353399, 416524, 706798, 728917, 833048, 1413596, 1457834, 2473793, 2827192, 2915668, 3607469, 4947586, 5831336, 7214938, 9895172, 14429876, 19790344, 25252283, 28859752, 50504566, 101009132, 202018264, 364354369, 728708738, 1457417476, 2550480583, 2914834952, 5100961166, 10201922332, 20403844664]

約数ペア:

[(1, 20403844664), (2, 10201922332), (4, 5100961166), (7, 2914834952), (8, 2550480583), (14, 1457417476), (28, 728708738), (56, 364354369), (101, 202018264), (202, 101009132), (404, 50504566), (707, 28859752), (808, 25252283), (1031, 19790344), (1414, 14429876), (2062, 9895172), (2828, 7214938), (3499, 5831336), (4124, 4947586), (5656, 3607469), (6998, 2915668), (7217, 2827192), (8248, 2473793), (13996, 1457834), (14434, 1413596), (24493, 833048), (27992, 728917), (28868, 706798), (48986, 416524), (57736, 353399), (97972, 208262), (104131, 195944)]