20271708

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 57934800

約数和(自身を除く): 37663092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 37, 38, 54, 57, 74, 76, 81, 89, 108, 111, 114, 148, 162, 171, 178, 222, 228, 267, 324, 333, 342, 356, 444, 513, 534, 666, 684, 703, 801, 999, 1026, 1068, 1332, 1406, 1539, 1602, 1691, 1998, 2052, 2109, 2403, 2812, 2997, 3078, 3204, 3293, 3382, 3996, 4218, 4806, 5073, 5994, 6156, 6327, 6586, 6764, 7209, 8436, 9612, 9879, 10146, 11988, 12654, 13172, 14418, 15219, 18981, 19758, 20292, 25308, 28836, 29637, 30438, 37962, 39516, 45657, 56943, 59274, 60876, 62567, 75924, 88911, 91314, 113886, 118548, 125134, 136971, 177822, 182628, 187701, 227772, 250268, 266733, 273942, 355644, 375402, 533466, 547884, 563103, 750804, 1066932, 1126206, 1689309, 2252412, 3378618, 5067927, 6757236, 10135854, 20271708]

約数ペア:

[(1, 20271708), (2, 10135854), (3, 6757236), (4, 5067927), (6, 3378618), (9, 2252412), (12, 1689309), (18, 1126206), (19, 1066932), (27, 750804), (36, 563103), (37, 547884), (38, 533466), (54, 375402), (57, 355644), (74, 273942), (76, 266733), (81, 250268), (89, 227772), (108, 187701), (111, 182628), (114, 177822), (148, 136971), (162, 125134), (171, 118548), (178, 113886), (222, 91314), (228, 88911), (267, 75924), (324, 62567), (333, 60876), (342, 59274), (356, 56943), (444, 45657), (513, 39516), (534, 37962), (666, 30438), (684, 29637), (703, 28836), (801, 25308), (999, 20292), (1026, 19758), (1068, 18981), (1332, 15219), (1406, 14418), (1539, 13172), (1602, 12654), (1691, 11988), (1998, 10146), (2052, 9879), (2109, 9612), (2403, 8436), (2812, 7209), (2997, 6764), (3078, 6586), (3204, 6327), (3293, 6156), (3382, 5994), (3996, 5073), (4218, 4806)]