20163268908

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{133769}}^1$

素因数の和:133911

約数の個数: 72

約数和(自身を含む): 52587662400

約数和(自身を除く): 32424393492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 79, 106, 158, 159, 212, 237, 316, 318, 474, 477, 636, 711, 948, 954, 1422, 1908, 2844, 4187, 8374, 12561, 16748, 25122, 37683, 50244, 75366, 133769, 150732, 267538, 401307, 535076, 802614, 1203921, 1605228, 2407842, 4815684, 7089757, 10567751, 14179514, 21135502, 21269271, 28359028, 31703253, 42271004, 42538542, 63406506, 63807813, 85077084, 95109759, 126813012, 127615626, 190219518, 255231252, 380439036, 560090803, 1120181606, 1680272409, 2240363212, 3360544818, 5040817227, 6721089636, 10081634454, 20163268908]

約数ペア:

[(1, 20163268908), (2, 10081634454), (3, 6721089636), (4, 5040817227), (6, 3360544818), (9, 2240363212), (12, 1680272409), (18, 1120181606), (36, 560090803), (53, 380439036), (79, 255231252), (106, 190219518), (158, 127615626), (159, 126813012), (212, 95109759), (237, 85077084), (316, 63807813), (318, 63406506), (474, 42538542), (477, 42271004), (636, 31703253), (711, 28359028), (948, 21269271), (954, 21135502), (1422, 14179514), (1908, 10567751), (2844, 7089757), (4187, 4815684), (8374, 2407842), (12561, 1605228), (16748, 1203921), (25122, 802614), (37683, 535076), (50244, 401307), (75366, 267538), (133769, 150732)]