20752914

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 51609600

約数和(自身を除く): 30856686

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 191, 199, 273, 382, 398, 546, 573, 597, 1146, 1194, 1337, 1393, 2483, 2587, 2674, 2786, 4011, 4179, 4966, 5174, 7449, 7761, 8022, 8358, 14898, 15522, 17381, 18109, 34762, 36218, 38009, 52143, 54327, 76018, 104286, 108654, 114027, 228054, 266063, 494117, 532126, 798189, 988234, 1482351, 1596378, 2964702, 3458819, 6917638, 10376457, 20752914]

約数ペア:

[(1, 20752914), (2, 10376457), (3, 6917638), (6, 3458819), (7, 2964702), (13, 1596378), (14, 1482351), (21, 988234), (26, 798189), (39, 532126), (42, 494117), (78, 266063), (91, 228054), (182, 114027), (191, 108654), (199, 104286), (273, 76018), (382, 54327), (398, 52143), (546, 38009), (573, 36218), (597, 34762), (1146, 18109), (1194, 17381), (1337, 15522), (1393, 14898), (2483, 8358), (2587, 8022), (2674, 7761), (2786, 7449), (4011, 5174), (4179, 4966)]