20548164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:665

約数の個数: 96

約数和(自身を含む): 61014016

約数和(自身を除く): 40465852

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 31, 39, 42, 52, 62, 78, 84, 91, 93, 124, 156, 182, 186, 217, 273, 364, 372, 403, 434, 546, 607, 651, 806, 868, 1092, 1209, 1214, 1302, 1612, 1821, 2418, 2428, 2604, 2821, 3642, 4249, 4836, 5642, 7284, 7891, 8463, 8498, 11284, 12747, 15782, 16926, 16996, 18817, 23673, 25494, 31564, 33852, 37634, 47346, 50988, 55237, 56451, 75268, 94692, 110474, 112902, 131719, 165711, 220948, 225804, 244621, 263438, 331422, 395157, 489242, 526876, 662844, 733863, 790314, 978484, 1467726, 1580628, 1712347, 2935452, 3424694, 5137041, 6849388, 10274082, 20548164]

約数ペア:

[(1, 20548164), (2, 10274082), (3, 6849388), (4, 5137041), (6, 3424694), (7, 2935452), (12, 1712347), (13, 1580628), (14, 1467726), (21, 978484), (26, 790314), (28, 733863), (31, 662844), (39, 526876), (42, 489242), (52, 395157), (62, 331422), (78, 263438), (84, 244621), (91, 225804), (93, 220948), (124, 165711), (156, 131719), (182, 112902), (186, 110474), (217, 94692), (273, 75268), (364, 56451), (372, 55237), (403, 50988), (434, 47346), (546, 37634), (607, 33852), (651, 31564), (806, 25494), (868, 23673), (1092, 18817), (1209, 16996), (1214, 16926), (1302, 15782), (1612, 12747), (1821, 11284), (2418, 8498), (2428, 8463), (2604, 7891), (2821, 7284), (3642, 5642), (4249, 4836)]