20470860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:412

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 43879860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 167, 180, 227, 270, 334, 454, 501, 540, 668, 681, 835, 908, 1002, 1135, 1362, 1503, 1670, 2004, 2043, 2270, 2505, 2724, 3006, 3340, 3405, 4086, 4509, 4540, 5010, 6012, 6129, 6810, 7515, 8172, 9018, 10020, 10215, 12258, 13620, 15030, 18036, 20430, 22545, 24516, 30060, 30645, 37909, 40860, 45090, 61290, 75818, 90180, 113727, 122580, 151636, 189545, 227454, 341181, 379090, 454908, 568635, 682362, 758180, 1023543, 1137270, 1364724, 1705905, 2047086, 2274540, 3411810, 4094172, 5117715, 6823620, 10235430, 20470860]

約数ペア:

[(1, 20470860), (2, 10235430), (3, 6823620), (4, 5117715), (5, 4094172), (6, 3411810), (9, 2274540), (10, 2047086), (12, 1705905), (15, 1364724), (18, 1137270), (20, 1023543), (27, 758180), (30, 682362), (36, 568635), (45, 454908), (54, 379090), (60, 341181), (90, 227454), (108, 189545), (135, 151636), (167, 122580), (180, 113727), (227, 90180), (270, 75818), (334, 61290), (454, 45090), (501, 40860), (540, 37909), (668, 30645), (681, 30060), (835, 24516), (908, 22545), (1002, 20430), (1135, 18036), (1362, 15030), (1503, 13620), (1670, 12258), (2004, 10215), (2043, 10020), (2270, 9018), (2505, 8172), (2724, 7515), (3006, 6810), (3340, 6129), (3405, 6012), (4086, 5010), (4509, 4540)]