20164100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{797}}^1$

素因数の和:845

約数の個数: 72

約数和(自身を含む): 49871808

約数和(自身を除く): 29707708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 220, 230, 253, 275, 460, 506, 550, 575, 797, 1012, 1100, 1150, 1265, 1594, 2300, 2530, 3188, 3985, 5060, 6325, 7970, 8767, 12650, 15940, 17534, 18331, 19925, 25300, 35068, 36662, 39850, 43835, 73324, 79700, 87670, 91655, 175340, 183310, 201641, 219175, 366620, 403282, 438350, 458275, 806564, 876700, 916550, 1008205, 1833100, 2016410, 4032820, 5041025, 10082050, 20164100]

約数ペア:

[(1, 20164100), (2, 10082050), (4, 5041025), (5, 4032820), (10, 2016410), (11, 1833100), (20, 1008205), (22, 916550), (23, 876700), (25, 806564), (44, 458275), (46, 438350), (50, 403282), (55, 366620), (92, 219175), (100, 201641), (110, 183310), (115, 175340), (220, 91655), (230, 87670), (253, 79700), (275, 73324), (460, 43835), (506, 39850), (550, 36662), (575, 35068), (797, 25300), (1012, 19925), (1100, 18331), (1150, 17534), (1265, 15940), (1594, 12650), (2300, 8767), (2530, 7970), (3188, 6325), (3985, 5060)]