20615138124

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1\times {\mathrm{6257}}^1$

素因数の和:6975

約数の個数: 96

約数和(自身を含む): 55970750976

約数和(自身を除く): 35355612852

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 643, 732, 854, 1281, 1286, 1708, 1929, 2562, 2572, 3858, 4501, 5124, 6257, 7716, 9002, 12514, 13503, 18004, 18771, 25028, 27006, 37542, 39223, 43799, 54012, 75084, 78446, 87598, 117669, 131397, 156892, 175196, 235338, 262794, 274561, 381677, 470676, 525588, 549122, 763354, 823683, 1098244, 1145031, 1526708, 1647366, 2290062, 2671739, 3294732, 4023251, 4580124, 5343478, 8015217, 8046502, 10686956, 12069753, 16030434, 16093004, 24139506, 28162757, 32060868, 48279012, 56325514, 84488271, 112651028, 168976542, 245418311, 337953084, 490836622, 736254933, 981673244, 1472509866, 1717928177, 2945019732, 3435856354, 5153784531, 6871712708, 10307569062, 20615138124]

約数ペア:

[(1, 20615138124), (2, 10307569062), (3, 6871712708), (4, 5153784531), (6, 3435856354), (7, 2945019732), (12, 1717928177), (14, 1472509866), (21, 981673244), (28, 736254933), (42, 490836622), (61, 337953084), (84, 245418311), (122, 168976542), (183, 112651028), (244, 84488271), (366, 56325514), (427, 48279012), (643, 32060868), (732, 28162757), (854, 24139506), (1281, 16093004), (1286, 16030434), (1708, 12069753), (1929, 10686956), (2562, 8046502), (2572, 8015217), (3858, 5343478), (4501, 4580124), (5124, 4023251), (6257, 3294732), (7716, 2671739), (9002, 2290062), (12514, 1647366), (13503, 1526708), (18004, 1145031), (18771, 1098244), (25028, 823683), (27006, 763354), (37542, 549122), (39223, 525588), (43799, 470676), (54012, 381677), (75084, 274561), (78446, 262794), (87598, 235338), (117669, 175196), (131397, 156892)]