20387620692

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{377297}}^1$

素因数の和:377405

約数の個数: 72

約数和(自身を含む): 54934588800

約数和(自身を除く): 34546968108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 79, 114, 158, 171, 228, 237, 316, 342, 474, 684, 711, 948, 1422, 1501, 2844, 3002, 4503, 6004, 9006, 13509, 18012, 27018, 54036, 377297, 754594, 1131891, 1509188, 2263782, 3395673, 4527564, 6791346, 7168643, 13582692, 14337286, 21505929, 28674572, 29806463, 43011858, 59612926, 64517787, 86023716, 89419389, 119225852, 129035574, 178838778, 258071148, 268258167, 357677556, 536516334, 566322797, 1073032668, 1132645594, 1698968391, 2265291188, 3397936782, 5096905173, 6795873564, 10193810346, 20387620692]

約数ペア:

[(1, 20387620692), (2, 10193810346), (3, 6795873564), (4, 5096905173), (6, 3397936782), (9, 2265291188), (12, 1698968391), (18, 1132645594), (19, 1073032668), (36, 566322797), (38, 536516334), (57, 357677556), (76, 268258167), (79, 258071148), (114, 178838778), (158, 129035574), (171, 119225852), (228, 89419389), (237, 86023716), (316, 64517787), (342, 59612926), (474, 43011858), (684, 29806463), (711, 28674572), (948, 21505929), (1422, 14337286), (1501, 13582692), (2844, 7168643), (3002, 6791346), (4503, 4527564), (6004, 3395673), (9006, 2263782), (13509, 1509188), (18012, 1131891), (27018, 754594), (54036, 377297)]