20122079960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2029}}^1\times {\mathrm{13049}}^1$

素因数の和:15108

約数の個数: 64

約数和(自身を含む): 47684700000

約数和(自身を除く): 27562620040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2029, 4058, 8116, 10145, 13049, 16232, 20290, 26098, 38551, 40580, 52196, 65245, 77102, 81160, 104392, 130490, 154204, 192755, 247931, 260980, 308408, 385510, 495862, 521960, 771020, 991724, 1239655, 1542040, 1983448, 2479310, 4958620, 9917240, 26476421, 52952842, 105905684, 132382105, 211811368, 264764210, 503051999, 529528420, 1006103998, 1059056840, 2012207996, 2515259995, 4024415992, 5030519990, 10061039980, 20122079960]

約数ペア:

[(1, 20122079960), (2, 10061039980), (4, 5030519990), (5, 4024415992), (8, 2515259995), (10, 2012207996), (19, 1059056840), (20, 1006103998), (38, 529528420), (40, 503051999), (76, 264764210), (95, 211811368), (152, 132382105), (190, 105905684), (380, 52952842), (760, 26476421), (2029, 9917240), (4058, 4958620), (8116, 2479310), (10145, 1983448), (13049, 1542040), (16232, 1239655), (20290, 991724), (26098, 771020), (38551, 521960), (40580, 495862), (52196, 385510), (65245, 308408), (77102, 260980), (81160, 247931), (104392, 192755), (130490, 154204)]