20213228412

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2540627}}^1$

素因数の和:2540667

約数の個数: 72

約数和(自身を含む): 58261681296

約数和(自身を除く): 38048452884

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3978, 7956, 2540627, 5081254, 7621881, 10162508, 15243762, 22865643, 30487524, 33028151, 43190659, 45731286, 66056302, 86381318, 91462572, 99084453, 129571977, 132112604, 172762636, 198168906, 259143954, 297253359, 388715931, 396337812, 518287908, 561478567, 594506718, 777431862, 1122957134, 1189013436, 1554863724, 1684435701, 2245914268, 3368871402, 5053307103, 6737742804, 10106614206, 20213228412]

約数ペア:

[(1, 20213228412), (2, 10106614206), (3, 6737742804), (4, 5053307103), (6, 3368871402), (9, 2245914268), (12, 1684435701), (13, 1554863724), (17, 1189013436), (18, 1122957134), (26, 777431862), (34, 594506718), (36, 561478567), (39, 518287908), (51, 396337812), (52, 388715931), (68, 297253359), (78, 259143954), (102, 198168906), (117, 172762636), (153, 132112604), (156, 129571977), (204, 99084453), (221, 91462572), (234, 86381318), (306, 66056302), (442, 45731286), (468, 43190659), (612, 33028151), (663, 30487524), (884, 22865643), (1326, 15243762), (1989, 10162508), (2652, 7621881), (3978, 5081254), (7956, 2540627)]