20928050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2927}}^1$

素因数の和:2963

約数の個数: 48

約数和(自身を含む): 45747072

約数和(自身を除く): 24819022

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, 2927, 3575, 5854, 7150, 14635, 29270, 32197, 38051, 64394, 73175, 76102, 146350, 160985, 190255, 321970, 380510, 418561, 804925, 837122, 951275, 1609850, 1902550, 2092805, 4185610, 10464025, 20928050]

約数ペア:

[(1, 20928050), (2, 10464025), (5, 4185610), (10, 2092805), (11, 1902550), (13, 1609850), (22, 951275), (25, 837122), (26, 804925), (50, 418561), (55, 380510), (65, 321970), (110, 190255), (130, 160985), (143, 146350), (275, 76102), (286, 73175), (325, 64394), (550, 38051), (650, 32197), (715, 29270), (1430, 14635), (2927, 7150), (3575, 5854)]