20228120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1483}}^1$

素因数の和:1536

約数の個数: 64

約数和(自身を含む): 51287040

約数和(自身を除く): 31058920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1483, 1705, 2728, 2966, 3410, 5932, 6820, 7415, 11864, 13640, 14830, 16313, 29660, 32626, 45973, 59320, 65252, 81565, 91946, 130504, 163130, 183892, 229865, 326260, 367784, 459730, 505703, 652520, 919460, 1011406, 1838920, 2022812, 2528515, 4045624, 5057030, 10114060, 20228120]

約数ペア:

[(1, 20228120), (2, 10114060), (4, 5057030), (5, 4045624), (8, 2528515), (10, 2022812), (11, 1838920), (20, 1011406), (22, 919460), (31, 652520), (40, 505703), (44, 459730), (55, 367784), (62, 326260), (88, 229865), (110, 183892), (124, 163130), (155, 130504), (220, 91946), (248, 81565), (310, 65252), (341, 59320), (440, 45973), (620, 32626), (682, 29660), (1240, 16313), (1364, 14830), (1483, 13640), (1705, 11864), (2728, 7415), (2966, 6820), (3410, 5932)]