20806710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:413

約数の個数: 64

約数和(自身を含む): 53118720

約数和(自身を除く): 32312010

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 173, 190, 211, 285, 346, 422, 519, 570, 633, 865, 1038, 1055, 1266, 1730, 2110, 2595, 3165, 3287, 4009, 5190, 6330, 6574, 8018, 9861, 12027, 16435, 19722, 20045, 24054, 32870, 36503, 40090, 49305, 60135, 73006, 98610, 109509, 120270, 182515, 219018, 365030, 547545, 693557, 1095090, 1387114, 2080671, 3467785, 4161342, 6935570, 10403355, 20806710]

約数ペア:

[(1, 20806710), (2, 10403355), (3, 6935570), (5, 4161342), (6, 3467785), (10, 2080671), (15, 1387114), (19, 1095090), (30, 693557), (38, 547545), (57, 365030), (95, 219018), (114, 182515), (173, 120270), (190, 109509), (211, 98610), (285, 73006), (346, 60135), (422, 49305), (519, 40090), (570, 36503), (633, 32870), (865, 24054), (1038, 20045), (1055, 19722), (1266, 16435), (1730, 12027), (2110, 9861), (2595, 8018), (3165, 6574), (3287, 6330), (4009, 5190)]