20123909902

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{479}}^1\times {\mathrm{8293}}^1$

素因数の和:8940

約数の個数: 32

約数和(自身を含む): 32247072000

約数和(自身を除く): 12123162098

約数列:

[1, 2, 17, 34, 149, 298, 479, 958, 2533, 5066, 8143, 8293, 16286, 16586, 71371, 140981, 142742, 281962, 1213307, 1235657, 2426614, 2471314, 3972347, 7944694, 21006169, 42012338, 67529899, 135059798, 591879703, 1183759406, 10061954951, 20123909902]

約数ペア:

[(1, 20123909902), (2, 10061954951), (17, 1183759406), (34, 591879703), (149, 135059798), (298, 67529899), (479, 42012338), (958, 21006169), (2533, 7944694), (5066, 3972347), (8143, 2471314), (8293, 2426614), (16286, 1235657), (16586, 1213307), (71371, 281962), (140981, 142742)]