20062480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:296

約数の個数: 80

約数和(自身を含む): 50086080

約数和(自身を除く): 30023600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 67, 76, 80, 95, 134, 152, 190, 197, 268, 304, 335, 380, 394, 536, 670, 760, 788, 985, 1072, 1273, 1340, 1520, 1576, 1970, 2546, 2680, 3152, 3743, 3940, 5092, 5360, 6365, 7486, 7880, 10184, 12730, 13199, 14972, 15760, 18715, 20368, 25460, 26398, 29944, 37430, 50920, 52796, 59888, 65995, 74860, 101840, 105592, 131990, 149720, 211184, 250781, 263980, 299440, 501562, 527960, 1003124, 1055920, 1253905, 2006248, 2507810, 4012496, 5015620, 10031240, 20062480]

約数ペア:

[(1, 20062480), (2, 10031240), (4, 5015620), (5, 4012496), (8, 2507810), (10, 2006248), (16, 1253905), (19, 1055920), (20, 1003124), (38, 527960), (40, 501562), (67, 299440), (76, 263980), (80, 250781), (95, 211184), (134, 149720), (152, 131990), (190, 105592), (197, 101840), (268, 74860), (304, 65995), (335, 59888), (380, 52796), (394, 50920), (536, 37430), (670, 29944), (760, 26398), (788, 25460), (985, 20368), (1072, 18715), (1273, 15760), (1340, 14972), (1520, 13199), (1576, 12730), (1970, 10184), (2546, 7880), (2680, 7486), (3152, 6365), (3743, 5360), (3940, 5092)]