20153254644

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{809}}^1\times {\mathrm{14723}}^1$

素因数の和:15589

約数の個数: 72

約数和(自身を含む): 52094689920

約数和(自身を除く): 31941435276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 809, 846, 1618, 1692, 2427, 3236, 4854, 7281, 9708, 14562, 14723, 29124, 29446, 38023, 44169, 58892, 76046, 88338, 114069, 132507, 152092, 176676, 228138, 265014, 342207, 456276, 530028, 684414, 691981, 1368828, 1383962, 2075943, 2767924, 4151886, 6227829, 8303772, 11910907, 12455658, 23821814, 24911316, 35732721, 47643628, 71465442, 107198163, 142930884, 214396326, 428792652, 559812629, 1119625258, 1679437887, 2239250516, 3358875774, 5038313661, 6717751548, 10076627322, 20153254644]

約数ペア:

[(1, 20153254644), (2, 10076627322), (3, 6717751548), (4, 5038313661), (6, 3358875774), (9, 2239250516), (12, 1679437887), (18, 1119625258), (36, 559812629), (47, 428792652), (94, 214396326), (141, 142930884), (188, 107198163), (282, 71465442), (423, 47643628), (564, 35732721), (809, 24911316), (846, 23821814), (1618, 12455658), (1692, 11910907), (2427, 8303772), (3236, 6227829), (4854, 4151886), (7281, 2767924), (9708, 2075943), (14562, 1383962), (14723, 1368828), (29124, 691981), (29446, 684414), (38023, 530028), (44169, 456276), (58892, 342207), (76046, 265014), (88338, 228138), (114069, 176676), (132507, 152092)]