20854548

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4051}}^1$

素因数の和:4085

約数の個数: 72

約数和(自身を含む): 61946976

約数和(自身を除く): 41092428

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 4051, 5148, 8102, 12153, 16204, 24306, 36459, 44561, 48612, 52663, 72918, 89122, 105326, 133683, 145836, 157989, 178244, 210652, 267366, 315978, 401049, 473967, 534732, 579293, 631956, 802098, 947934, 1158586, 1604196, 1737879, 1895868, 2317172, 3475758, 5213637, 6951516, 10427274, 20854548]

約数ペア:

[(1, 20854548), (2, 10427274), (3, 6951516), (4, 5213637), (6, 3475758), (9, 2317172), (11, 1895868), (12, 1737879), (13, 1604196), (18, 1158586), (22, 947934), (26, 802098), (33, 631956), (36, 579293), (39, 534732), (44, 473967), (52, 401049), (66, 315978), (78, 267366), (99, 210652), (117, 178244), (132, 157989), (143, 145836), (156, 133683), (198, 105326), (234, 89122), (286, 72918), (396, 52663), (429, 48612), (468, 44561), (572, 36459), (858, 24306), (1287, 16204), (1716, 12153), (2574, 8102), (4051, 5148)]