20296408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 44640000

約数和(自身を除く): 24343592

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 61, 76, 88, 122, 152, 199, 209, 244, 398, 418, 488, 671, 796, 836, 1159, 1342, 1592, 1672, 2189, 2318, 2684, 3781, 4378, 4636, 5368, 7562, 8756, 9272, 12139, 12749, 15124, 17512, 24278, 25498, 30248, 41591, 48556, 50996, 83182, 97112, 101992, 133529, 166364, 230641, 267058, 332728, 461282, 534116, 922564, 1068232, 1845128, 2537051, 5074102, 10148204, 20296408]

約数ペア:

[(1, 20296408), (2, 10148204), (4, 5074102), (8, 2537051), (11, 1845128), (19, 1068232), (22, 922564), (38, 534116), (44, 461282), (61, 332728), (76, 267058), (88, 230641), (122, 166364), (152, 133529), (199, 101992), (209, 97112), (244, 83182), (398, 50996), (418, 48556), (488, 41591), (671, 30248), (796, 25498), (836, 24278), (1159, 17512), (1342, 15124), (1592, 12749), (1672, 12139), (2189, 9272), (2318, 8756), (2684, 7562), (3781, 5368), (4378, 4636)]