20171120895

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{1483}}^1$

素因数の和:1709

約数の個数: 96

約数和(自身を含む): 36670233600

約数和(自身を除く): 16499112705

約数列:

[1, 3, 5, 9, 15, 45, 47, 59, 109, 141, 177, 235, 295, 327, 423, 531, 545, 705, 885, 981, 1483, 1635, 2115, 2655, 2773, 4449, 4905, 5123, 6431, 7415, 8319, 13347, 13865, 15369, 19293, 22245, 24957, 25615, 32155, 41595, 46107, 57879, 66735, 69701, 76845, 87497, 96465, 124785, 161647, 209103, 230535, 262491, 289395, 302257, 348505, 437485, 484941, 627309, 787473, 808235, 906771, 1045515, 1312455, 1454823, 1511285, 2424705, 2720313, 3136545, 3937365, 4112359, 4533855, 7274115, 7597409, 9537173, 12337077, 13601565, 20561795, 22792227, 28611519, 37011231, 37987045, 47685865, 61685385, 68376681, 85834557, 113961135, 143057595, 185056155, 341883405, 429172785, 448247131, 1344741393, 2241235655, 4034224179, 6723706965, 20171120895]

約数ペア:

[(1, 20171120895), (3, 6723706965), (5, 4034224179), (9, 2241235655), (15, 1344741393), (45, 448247131), (47, 429172785), (59, 341883405), (109, 185056155), (141, 143057595), (177, 113961135), (235, 85834557), (295, 68376681), (327, 61685385), (423, 47685865), (531, 37987045), (545, 37011231), (705, 28611519), (885, 22792227), (981, 20561795), (1483, 13601565), (1635, 12337077), (2115, 9537173), (2655, 7597409), (2773, 7274115), (4449, 4533855), (4905, 4112359), (5123, 3937365), (6431, 3136545), (7415, 2720313), (8319, 2424705), (13347, 1511285), (13865, 1454823), (15369, 1312455), (19293, 1045515), (22245, 906771), (24957, 808235), (25615, 787473), (32155, 627309), (41595, 484941), (46107, 437485), (57879, 348505), (66735, 302257), (69701, 289395), (76845, 262491), (87497, 230535), (96465, 209103), (124785, 161647)]