20163126904

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1\times {\mathrm{1583}}^1$

素因数の和:2300

約数の個数: 64

約数和(自身を含む): 39408906240

約数和(自身を除く): 19245779336

約数列:

[1, 2, 4, 8, 43, 61, 86, 122, 172, 244, 344, 488, 607, 1214, 1583, 2428, 2623, 3166, 4856, 5246, 6332, 10492, 12664, 20984, 26101, 37027, 52202, 68069, 74054, 96563, 104404, 136138, 148108, 193126, 208808, 272276, 296216, 386252, 544552, 772504, 960881, 1592161, 1921762, 3184322, 3843524, 4152209, 6368644, 7687048, 8304418, 12737288, 16608836, 33217672, 41317883, 58613741, 82635766, 117227482, 165271532, 234454964, 330543064, 468909928, 2520390863, 5040781726, 10081563452, 20163126904]

約数ペア:

[(1, 20163126904), (2, 10081563452), (4, 5040781726), (8, 2520390863), (43, 468909928), (61, 330543064), (86, 234454964), (122, 165271532), (172, 117227482), (244, 82635766), (344, 58613741), (488, 41317883), (607, 33217672), (1214, 16608836), (1583, 12737288), (2428, 8304418), (2623, 7687048), (3166, 6368644), (4856, 4152209), (5246, 3843524), (6332, 3184322), (10492, 1921762), (12664, 1592161), (20984, 960881), (26101, 772504), (37027, 544552), (52202, 386252), (68069, 296216), (74054, 272276), (96563, 208808), (104404, 193126), (136138, 148108)]