20449470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 52612416

約数和(自身を除く): 32162946

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 101, 102, 170, 202, 255, 303, 397, 505, 510, 606, 794, 1010, 1191, 1515, 1717, 1985, 2382, 3030, 3434, 3970, 5151, 5955, 6749, 8585, 10302, 11910, 13498, 17170, 20247, 25755, 33745, 40097, 40494, 51510, 67490, 80194, 101235, 120291, 200485, 202470, 240582, 400970, 601455, 681649, 1202910, 1363298, 2044947, 3408245, 4089894, 6816490, 10224735, 20449470]

約数ペア:

[(1, 20449470), (2, 10224735), (3, 6816490), (5, 4089894), (6, 3408245), (10, 2044947), (15, 1363298), (17, 1202910), (30, 681649), (34, 601455), (51, 400970), (85, 240582), (101, 202470), (102, 200485), (170, 120291), (202, 101235), (255, 80194), (303, 67490), (397, 51510), (505, 40494), (510, 40097), (606, 33745), (794, 25755), (1010, 20247), (1191, 17170), (1515, 13498), (1717, 11910), (1985, 10302), (2382, 8585), (3030, 6749), (3434, 5955), (3970, 5151)]