20129384020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{853}}^1\times {\mathrm{9007}}^1$

素因数の和:10000

約数の個数: 48

約数和(自身を含む): 42649060608

約数和(自身を除く): 22519676588

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 853, 1310, 1706, 2620, 3412, 4265, 8530, 9007, 17060, 18014, 36028, 45035, 90070, 111743, 180140, 223486, 446972, 558715, 1117430, 1179917, 2234860, 2359834, 4719668, 5899585, 7682971, 11799170, 15365942, 23598340, 30731884, 38414855, 76829710, 153659420, 1006469201, 2012938402, 4025876804, 5032346005, 10064692010, 20129384020]

約数ペア:

[(1, 20129384020), (2, 10064692010), (4, 5032346005), (5, 4025876804), (10, 2012938402), (20, 1006469201), (131, 153659420), (262, 76829710), (524, 38414855), (655, 30731884), (853, 23598340), (1310, 15365942), (1706, 11799170), (2620, 7682971), (3412, 5899585), (4265, 4719668), (8530, 2359834), (9007, 2234860), (17060, 1179917), (18014, 1117430), (36028, 558715), (45035, 446972), (90070, 223486), (111743, 180140)]