20123866906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{811}}^1\times {\mathrm{1637}}^1$

素因数の和:2527

約数の個数: 64

約数和(自身を含む): 36198804096

約数和(自身を除く): 16074937190

約数列:

[1, 2, 11, 13, 22, 26, 53, 106, 143, 286, 583, 689, 811, 1166, 1378, 1622, 1637, 3274, 7579, 8921, 10543, 15158, 17842, 18007, 21086, 21281, 36014, 42562, 42983, 85966, 86761, 115973, 173522, 231946, 234091, 468182, 472813, 558779, 945626, 954371, 1117558, 1127893, 1327607, 1908742, 2255786, 2655214, 6146569, 12293138, 12406823, 14603677, 17258891, 24813646, 29207354, 34517782, 70363171, 140726342, 189847801, 379695602, 773994881, 914721223, 1547989762, 1829442446, 10061933453, 20123866906]

約数ペア:

[(1, 20123866906), (2, 10061933453), (11, 1829442446), (13, 1547989762), (22, 914721223), (26, 773994881), (53, 379695602), (106, 189847801), (143, 140726342), (286, 70363171), (583, 34517782), (689, 29207354), (811, 24813646), (1166, 17258891), (1378, 14603677), (1622, 12406823), (1637, 12293138), (3274, 6146569), (7579, 2655214), (8921, 2255786), (10543, 1908742), (15158, 1327607), (17842, 1127893), (18007, 1117558), (21086, 954371), (21281, 945626), (36014, 558779), (42562, 472813), (42983, 468182), (85966, 234091), (86761, 231946), (115973, 173522)]