20180726852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1669}}^1\times {\mathrm{21139}}^1$

素因数の和:22836

約数の個数: 48

約数和(自身を含む): 41517268800

約数和(自身を除く): 21336541948

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 1669, 3338, 6676, 18359, 21139, 21697, 36718, 42278, 43394, 73436, 84556, 86788, 232529, 238667, 274807, 465058, 477334, 549614, 930116, 954668, 1099228, 3022877, 6045754, 12091508, 35280991, 70561982, 141123964, 388090901, 458652883, 776181802, 917305766, 1552363604, 1834611532, 5045181713, 10090363426, 20180726852]

約数ペア:

[(1, 20180726852), (2, 10090363426), (4, 5045181713), (11, 1834611532), (13, 1552363604), (22, 917305766), (26, 776181802), (44, 458652883), (52, 388090901), (143, 141123964), (286, 70561982), (572, 35280991), (1669, 12091508), (3338, 6045754), (6676, 3022877), (18359, 1099228), (21139, 954668), (21697, 930116), (36718, 549614), (42278, 477334), (43394, 465058), (73436, 274807), (84556, 238667), (86788, 232529)]