20449422961

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 25399617984

約数和(自身を除く): 4950195023

約数列:

[1, 11, 17, 19, 103, 173, 187, 209, 289, 323, 361, 1133, 1751, 1903, 1957, 2941, 3179, 3287, 3553, 3971, 5491, 6137, 17819, 19261, 21527, 29767, 32351, 33269, 36157, 37183, 49997, 55879, 60401, 62453, 67507, 104329, 196009, 302923, 327437, 338561, 365959, 409013, 549967, 565573, 614669, 632111, 686983, 949943, 1061701, 1147619, 3332153, 3724171, 5149691, 5755537, 6221303, 6432659, 6953221, 10449373, 10745887, 11678711, 18048917, 56646601, 63310907, 70759249, 97844129, 109355203, 118204757, 198538087, 1076285419, 1202907233, 1859038451, 20449422961]

約数ペア:

[(1, 20449422961), (11, 1859038451), (17, 1202907233), (19, 1076285419), (103, 198538087), (173, 118204757), (187, 109355203), (209, 97844129), (289, 70759249), (323, 63310907), (361, 56646601), (1133, 18048917), (1751, 11678711), (1903, 10745887), (1957, 10449373), (2941, 6953221), (3179, 6432659), (3287, 6221303), (3553, 5755537), (3971, 5149691), (5491, 3724171), (6137, 3332153), (17819, 1147619), (19261, 1061701), (21527, 949943), (29767, 686983), (32351, 632111), (33269, 614669), (36157, 565573), (37183, 549967), (49997, 409013), (55879, 365959), (60401, 338561), (62453, 327437), (67507, 302923), (104329, 196009)]