20733810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 52531200

約数和(自身を除く): 31797390

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 151, 199, 230, 302, 345, 398, 453, 597, 690, 755, 906, 995, 1194, 1510, 1990, 2265, 2985, 3473, 4530, 4577, 5970, 6946, 9154, 10419, 13731, 17365, 20838, 22885, 27462, 30049, 34730, 45770, 52095, 60098, 68655, 90147, 104190, 137310, 150245, 180294, 300490, 450735, 691127, 901470, 1382254, 2073381, 3455635, 4146762, 6911270, 10366905, 20733810]

約数ペア:

[(1, 20733810), (2, 10366905), (3, 6911270), (5, 4146762), (6, 3455635), (10, 2073381), (15, 1382254), (23, 901470), (30, 691127), (46, 450735), (69, 300490), (115, 180294), (138, 150245), (151, 137310), (199, 104190), (230, 90147), (302, 68655), (345, 60098), (398, 52095), (453, 45770), (597, 34730), (690, 30049), (755, 27462), (906, 22885), (995, 20838), (1194, 17365), (1510, 13731), (1990, 10419), (2265, 9154), (2985, 6946), (3473, 5970), (4530, 4577)]