20478522042

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1\times {\mathrm{4831}}^1$

素因数の和:5200

約数の個数: 96

約数和(自身を含む): 49207541760

約数和(自身を除く): 28729019718

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 79, 99, 158, 198, 237, 271, 474, 542, 711, 813, 869, 1422, 1626, 1738, 2439, 2607, 2981, 4831, 4878, 5214, 5962, 7821, 8943, 9662, 14493, 15642, 17886, 21409, 26829, 28986, 42818, 43479, 53141, 53658, 64227, 86958, 106282, 128454, 159423, 192681, 235499, 318846, 381649, 385362, 470998, 478269, 706497, 763298, 956538, 1144947, 1309201, 1412994, 2119491, 2289894, 2618402, 3434841, 3927603, 4198139, 4238982, 6869682, 7855206, 8396278, 11782809, 12594417, 14401211, 23565618, 25188834, 28802422, 37783251, 43203633, 75566502, 86407266, 103426879, 129610899, 206853758, 259221798, 310280637, 620561274, 930841911, 1137695669, 1861683822, 2275391338, 3413087007, 6826174014, 10239261021, 20478522042]

約数ペア:

[(1, 20478522042), (2, 10239261021), (3, 6826174014), (6, 3413087007), (9, 2275391338), (11, 1861683822), (18, 1137695669), (22, 930841911), (33, 620561274), (66, 310280637), (79, 259221798), (99, 206853758), (158, 129610899), (198, 103426879), (237, 86407266), (271, 75566502), (474, 43203633), (542, 37783251), (711, 28802422), (813, 25188834), (869, 23565618), (1422, 14401211), (1626, 12594417), (1738, 11782809), (2439, 8396278), (2607, 7855206), (2981, 6869682), (4831, 4238982), (4878, 4198139), (5214, 3927603), (5962, 3434841), (7821, 2618402), (8943, 2289894), (9662, 2119491), (14493, 1412994), (15642, 1309201), (17886, 1144947), (21409, 956538), (26829, 763298), (28986, 706497), (42818, 478269), (43479, 470998), (53141, 385362), (53658, 381649), (64227, 318846), (86958, 235499), (106282, 192681), (128454, 159423)]