20121448221

素因数分解:

$3^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{5857}}^1$

素因数の和:6032

約数の個数: 80

約数和(自身を含む): 35248101504

約数和(自身を除く): 15126653283

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 81, 83, 189, 219, 249, 511, 567, 581, 657, 747, 1533, 1743, 1971, 2241, 4599, 5229, 5857, 5913, 6059, 6723, 13797, 15687, 17571, 18177, 40999, 41391, 42413, 47061, 52713, 54531, 122997, 127239, 158139, 163593, 368991, 381717, 427561, 474417, 486131, 490779, 1106973, 1145151, 1282683, 1458393, 2992927, 3320919, 3402917, 3435453, 3848049, 4375179, 8978781, 10208751, 11544147, 13125537, 26936343, 30626253, 34632441, 35487563, 39376611, 80809029, 91878759, 106462689, 242427087, 248412941, 275636277, 319388067, 745238823, 958164201, 2235716469, 2874492603, 6707149407, 20121448221]

約数ペア:

[(1, 20121448221), (3, 6707149407), (7, 2874492603), (9, 2235716469), (21, 958164201), (27, 745238823), (63, 319388067), (73, 275636277), (81, 248412941), (83, 242427087), (189, 106462689), (219, 91878759), (249, 80809029), (511, 39376611), (567, 35487563), (581, 34632441), (657, 30626253), (747, 26936343), (1533, 13125537), (1743, 11544147), (1971, 10208751), (2241, 8978781), (4599, 4375179), (5229, 3848049), (5857, 3435453), (5913, 3402917), (6059, 3320919), (6723, 2992927), (13797, 1458393), (15687, 1282683), (17571, 1145151), (18177, 1106973), (40999, 490779), (41391, 486131), (42413, 474417), (47061, 427561), (52713, 381717), (54531, 368991), (122997, 163593), (127239, 158139)]