20205850065

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{3701}}^1$

素因数の和:3998

約数の個数: 64

約数和(自身を含む): 34117632000

約数和(自身を除く): 13911781935

約数列:

[1, 3, 5, 15, 31, 59, 93, 155, 177, 199, 295, 465, 597, 885, 995, 1829, 2985, 3701, 5487, 6169, 9145, 11103, 11741, 18505, 18507, 27435, 30845, 35223, 55515, 58705, 92535, 114731, 176115, 218359, 344193, 363971, 573655, 655077, 736499, 1091795, 1091913, 1720965, 1819855, 2209497, 3275385, 3682495, 5459565, 6769129, 11047485, 20307387, 22831469, 33845645, 43453441, 68494407, 101536935, 114157345, 130360323, 217267205, 342472035, 651801615, 1347056671, 4041170013, 6735283355, 20205850065]

約数ペア:

[(1, 20205850065), (3, 6735283355), (5, 4041170013), (15, 1347056671), (31, 651801615), (59, 342472035), (93, 217267205), (155, 130360323), (177, 114157345), (199, 101536935), (295, 68494407), (465, 43453441), (597, 33845645), (885, 22831469), (995, 20307387), (1829, 11047485), (2985, 6769129), (3701, 5459565), (5487, 3682495), (6169, 3275385), (9145, 2209497), (11103, 1819855), (11741, 1720965), (18505, 1091913), (18507, 1091795), (27435, 736499), (30845, 655077), (35223, 573655), (55515, 363971), (58705, 344193), (92535, 218359), (114731, 176115)]