20453060718

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{156491}}^1$

素因数の和:156689

約数の個数: 48

約数和(自身を含む): 45480956976

約数和(自身を除く): 25027896258

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 137, 159, 274, 318, 411, 477, 822, 954, 1233, 2466, 7261, 14522, 21783, 43566, 65349, 130698, 156491, 312982, 469473, 938946, 1408419, 2816838, 8294023, 16588046, 21439267, 24882069, 42878534, 49764138, 64317801, 74646207, 128635602, 149292414, 192953403, 385906806, 1136281151, 2272562302, 3408843453, 6817686906, 10226530359, 20453060718]

約数ペア:

[(1, 20453060718), (2, 10226530359), (3, 6817686906), (6, 3408843453), (9, 2272562302), (18, 1136281151), (53, 385906806), (106, 192953403), (137, 149292414), (159, 128635602), (274, 74646207), (318, 64317801), (411, 49764138), (477, 42878534), (822, 24882069), (954, 21439267), (1233, 16588046), (2466, 8294023), (7261, 2816838), (14522, 1408419), (21783, 938946), (43566, 469473), (65349, 312982), (130698, 156491)]