20824710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 52235712

約数和(自身を除く): 31411002

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 73, 74, 111, 146, 185, 219, 222, 257, 365, 370, 438, 514, 555, 730, 771, 1095, 1110, 1285, 1542, 2190, 2570, 2701, 3855, 5402, 7710, 8103, 9509, 13505, 16206, 18761, 19018, 27010, 28527, 37522, 40515, 47545, 56283, 57054, 81030, 93805, 95090, 112566, 142635, 187610, 281415, 285270, 562830, 694157, 1388314, 2082471, 3470785, 4164942, 6941570, 10412355, 20824710]

約数ペア:

[(1, 20824710), (2, 10412355), (3, 6941570), (5, 4164942), (6, 3470785), (10, 2082471), (15, 1388314), (30, 694157), (37, 562830), (73, 285270), (74, 281415), (111, 187610), (146, 142635), (185, 112566), (219, 95090), (222, 93805), (257, 81030), (365, 57054), (370, 56283), (438, 47545), (514, 40515), (555, 37522), (730, 28527), (771, 27010), (1095, 19018), (1110, 18761), (1285, 16206), (1542, 13505), (2190, 9509), (2570, 8103), (2701, 7710), (3855, 5402)]