20009514

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 47589120

約数和(自身を除く): 27579606

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 89, 101, 106, 159, 178, 202, 267, 303, 318, 371, 534, 606, 623, 707, 742, 1113, 1246, 1414, 1869, 2121, 2226, 3738, 4242, 4717, 5353, 8989, 9434, 10706, 14151, 16059, 17978, 26967, 28302, 32118, 33019, 37471, 53934, 62923, 66038, 74942, 99057, 112413, 125846, 188769, 198114, 224826, 377538, 476417, 952834, 1429251, 2858502, 3334919, 6669838, 10004757, 20009514]

約数ペア:

[(1, 20009514), (2, 10004757), (3, 6669838), (6, 3334919), (7, 2858502), (14, 1429251), (21, 952834), (42, 476417), (53, 377538), (89, 224826), (101, 198114), (106, 188769), (159, 125846), (178, 112413), (202, 99057), (267, 74942), (303, 66038), (318, 62923), (371, 53934), (534, 37471), (606, 33019), (623, 32118), (707, 28302), (742, 26967), (1113, 17978), (1246, 16059), (1414, 14151), (1869, 10706), (2121, 9434), (2226, 8989), (3738, 5353), (4242, 4717)]