20160372940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{469501}}^1$

素因数の和:469642

約数の個数: 48

約数和(自身を含む): 44959511520

約数和(自身を除く): 24799138580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 113, 190, 226, 380, 452, 565, 1130, 2147, 2260, 4294, 8588, 10735, 21470, 42940, 469501, 939002, 1878004, 2347505, 4695010, 8920519, 9390020, 17841038, 35682076, 44602595, 53053613, 89205190, 106107226, 178410380, 212214452, 265268065, 530536130, 1008018647, 1061072260, 2016037294, 4032074588, 5040093235, 10080186470, 20160372940]

約数ペア:

[(1, 20160372940), (2, 10080186470), (4, 5040093235), (5, 4032074588), (10, 2016037294), (19, 1061072260), (20, 1008018647), (38, 530536130), (76, 265268065), (95, 212214452), (113, 178410380), (190, 106107226), (226, 89205190), (380, 53053613), (452, 44602595), (565, 35682076), (1130, 17841038), (2147, 9390020), (2260, 8920519), (4294, 4695010), (8588, 2347505), (10735, 1878004), (21470, 939002), (42940, 469501)]