20163860040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{294277}}^1$

素因数の和:294862

約数の個数: 64

約数和(自身を含む): 60597725760

約数和(自身を除く): 40433865720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 571, 1142, 1713, 2284, 2855, 3426, 4568, 5710, 6852, 8565, 11420, 13704, 17130, 22840, 34260, 68520, 294277, 588554, 882831, 1177108, 1471385, 1765662, 2354216, 2942770, 3531324, 4414155, 5885540, 7062648, 8828310, 11771080, 17656620, 35313240, 168032167, 336064334, 504096501, 672128668, 840160835, 1008193002, 1344257336, 1680321670, 2016386004, 2520482505, 3360643340, 4032772008, 5040965010, 6721286680, 10081930020, 20163860040]

約数ペア:

[(1, 20163860040), (2, 10081930020), (3, 6721286680), (4, 5040965010), (5, 4032772008), (6, 3360643340), (8, 2520482505), (10, 2016386004), (12, 1680321670), (15, 1344257336), (20, 1008193002), (24, 840160835), (30, 672128668), (40, 504096501), (60, 336064334), (120, 168032167), (571, 35313240), (1142, 17656620), (1713, 11771080), (2284, 8828310), (2855, 7062648), (3426, 5885540), (4568, 4414155), (5710, 3531324), (6852, 2942770), (8565, 2354216), (11420, 1765662), (13704, 1471385), (17130, 1177108), (22840, 882831), (34260, 588554), (68520, 294277)]