20869386

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 46033920

約数和(自身を除く): 25164534

約数列:

[1, 2, 3, 6, 29, 31, 53, 58, 62, 73, 87, 93, 106, 146, 159, 174, 186, 219, 318, 438, 899, 1537, 1643, 1798, 2117, 2263, 2697, 3074, 3286, 3869, 4234, 4526, 4611, 4929, 5394, 6351, 6789, 7738, 9222, 9858, 11607, 12702, 13578, 23214, 47647, 65627, 95294, 112201, 119939, 131254, 142941, 196881, 224402, 239878, 285882, 336603, 359817, 393762, 673206, 719634, 3478231, 6956462, 10434693, 20869386]

約数ペア:

[(1, 20869386), (2, 10434693), (3, 6956462), (6, 3478231), (29, 719634), (31, 673206), (53, 393762), (58, 359817), (62, 336603), (73, 285882), (87, 239878), (93, 224402), (106, 196881), (146, 142941), (159, 131254), (174, 119939), (186, 112201), (219, 95294), (318, 65627), (438, 47647), (899, 23214), (1537, 13578), (1643, 12702), (1798, 11607), (2117, 9858), (2263, 9222), (2697, 7738), (3074, 6789), (3286, 6351), (3869, 5394), (4234, 4929), (4526, 4611)]