20105156750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{499507}}^1$

素因数の和:499554

約数の個数: 64

約数和(自身を含む): 44883790848

約数和(自身を除く): 24778634098

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 125, 161, 175, 230, 250, 322, 350, 575, 805, 875, 1150, 1610, 1750, 2875, 4025, 5750, 8050, 20125, 40250, 499507, 999014, 2497535, 3496549, 4995070, 6993098, 11488661, 12487675, 17482745, 22977322, 24975350, 34965490, 57443305, 62438375, 80420627, 87413725, 114886610, 124876750, 160841254, 174827450, 287216525, 402103135, 437068625, 574433050, 804206270, 874137250, 1436082625, 2010515675, 2872165250, 4021031350, 10052578375, 20105156750]

約数ペア:

[(1, 20105156750), (2, 10052578375), (5, 4021031350), (7, 2872165250), (10, 2010515675), (14, 1436082625), (23, 874137250), (25, 804206270), (35, 574433050), (46, 437068625), (50, 402103135), (70, 287216525), (115, 174827450), (125, 160841254), (161, 124876750), (175, 114886610), (230, 87413725), (250, 80420627), (322, 62438375), (350, 57443305), (575, 34965490), (805, 24975350), (875, 22977322), (1150, 17482745), (1610, 12487675), (1750, 11488661), (2875, 6993098), (4025, 4995070), (5750, 3496549), (8050, 2497535), (20125, 999014), (40250, 499507)]