20149012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 41997312

約数和(自身を除く): 21848300

約数列:

[1, 2, 4, 13, 17, 23, 26, 34, 46, 52, 68, 92, 221, 299, 391, 442, 598, 782, 884, 991, 1196, 1564, 1982, 3964, 5083, 10166, 12883, 16847, 20332, 22793, 25766, 33694, 45586, 51532, 67388, 91172, 219011, 296309, 387481, 438022, 592618, 774962, 876044, 1185236, 1549924, 5037253, 10074506, 20149012]

約数ペア:

[(1, 20149012), (2, 10074506), (4, 5037253), (13, 1549924), (17, 1185236), (23, 876044), (26, 774962), (34, 592618), (46, 438022), (52, 387481), (68, 296309), (92, 219011), (221, 91172), (299, 67388), (391, 51532), (442, 45586), (598, 33694), (782, 25766), (884, 22793), (991, 20332), (1196, 16847), (1564, 12883), (1982, 10166), (3964, 5083)]