20321040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{373}}^1$

素因数の和:616

約数の個数: 80

約数和(自身を含む): 63442368

約数和(自身を除く): 43121328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 227, 240, 373, 454, 681, 746, 908, 1119, 1135, 1362, 1492, 1816, 1865, 2238, 2270, 2724, 2984, 3405, 3632, 3730, 4476, 4540, 5448, 5595, 5968, 6810, 7460, 8952, 9080, 10896, 11190, 13620, 14920, 17904, 18160, 22380, 27240, 29840, 44760, 54480, 84671, 89520, 169342, 254013, 338684, 423355, 508026, 677368, 846710, 1016052, 1270065, 1354736, 1693420, 2032104, 2540130, 3386840, 4064208, 5080260, 6773680, 10160520, 20321040]

約数ペア:

[(1, 20321040), (2, 10160520), (3, 6773680), (4, 5080260), (5, 4064208), (6, 3386840), (8, 2540130), (10, 2032104), (12, 1693420), (15, 1354736), (16, 1270065), (20, 1016052), (24, 846710), (30, 677368), (40, 508026), (48, 423355), (60, 338684), (80, 254013), (120, 169342), (227, 89520), (240, 84671), (373, 54480), (454, 44760), (681, 29840), (746, 27240), (908, 22380), (1119, 18160), (1135, 17904), (1362, 14920), (1492, 13620), (1816, 11190), (1865, 10896), (2238, 9080), (2270, 8952), (2724, 7460), (2984, 6810), (3405, 5968), (3632, 5595), (3730, 5448), (4476, 4540)]