20713550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2897}}^1$

素因数の和:2933

約数の個数: 48

約数和(自身を含む): 45278352

約数和(自身を除く): 24564802

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 2897, 3575, 5794, 7150, 14485, 28970, 31867, 37661, 63734, 72425, 75322, 144850, 159335, 188305, 318670, 376610, 414271, 796675, 828542, 941525, 1593350, 1883050, 2071355, 4142710, 10356775, 20713550]

約数ペア:

[(1, 20713550), (2, 10356775), (5, 4142710), (10, 2071355), (11, 1883050), (13, 1593350), (22, 941525), (25, 828542), (26, 796675), (50, 414271), (55, 376610), (65, 318670), (110, 188305), (130, 159335), (143, 144850), (275, 75322), (286, 72425), (325, 63734), (550, 37661), (650, 31867), (715, 28970), (1430, 14485), (2897, 7150), (3575, 5794)]