20129040120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23963143}}^1$

素因数の和:23963164

約数の個数: 64

約数和(自身を含む): 69013854720

約数和(自身を除く): 48884814600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23963143, 47926286, 71889429, 95852572, 119815715, 143778858, 167742001, 191705144, 239631430, 287557716, 335484002, 359447145, 479262860, 503226003, 575115432, 670968004, 718894290, 838710005, 958525720, 1006452006, 1341936008, 1437788580, 1677420010, 2012904012, 2516130015, 2875577160, 3354840020, 4025808024, 5032260030, 6709680040, 10064520060, 20129040120]

約数ペア:

[(1, 20129040120), (2, 10064520060), (3, 6709680040), (4, 5032260030), (5, 4025808024), (6, 3354840020), (7, 2875577160), (8, 2516130015), (10, 2012904012), (12, 1677420010), (14, 1437788580), (15, 1341936008), (20, 1006452006), (21, 958525720), (24, 838710005), (28, 718894290), (30, 670968004), (35, 575115432), (40, 503226003), (42, 479262860), (56, 359447145), (60, 335484002), (70, 287557716), (84, 239631430), (105, 191705144), (120, 167742001), (140, 143778858), (168, 119815715), (210, 95852572), (280, 71889429), (420, 47926286), (840, 23963143)]