20275860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1045

約数の個数: 96

約数和(自身を含む): 63995904

約数和(自身を除く): 43720044

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 93, 110, 124, 132, 155, 165, 186, 220, 310, 330, 341, 372, 465, 620, 660, 682, 930, 991, 1023, 1364, 1705, 1860, 1982, 2046, 2973, 3410, 3964, 4092, 4955, 5115, 5946, 6820, 9910, 10230, 10901, 11892, 14865, 19820, 20460, 21802, 29730, 30721, 32703, 43604, 54505, 59460, 61442, 65406, 92163, 109010, 122884, 130812, 153605, 163515, 184326, 218020, 307210, 327030, 337931, 368652, 460815, 614420, 654060, 675862, 921630, 1013793, 1351724, 1689655, 1843260, 2027586, 3379310, 4055172, 5068965, 6758620, 10137930, 20275860]

約数ペア:

[(1, 20275860), (2, 10137930), (3, 6758620), (4, 5068965), (5, 4055172), (6, 3379310), (10, 2027586), (11, 1843260), (12, 1689655), (15, 1351724), (20, 1013793), (22, 921630), (30, 675862), (31, 654060), (33, 614420), (44, 460815), (55, 368652), (60, 337931), (62, 327030), (66, 307210), (93, 218020), (110, 184326), (124, 163515), (132, 153605), (155, 130812), (165, 122884), (186, 109010), (220, 92163), (310, 65406), (330, 61442), (341, 59460), (372, 54505), (465, 43604), (620, 32703), (660, 30721), (682, 29730), (930, 21802), (991, 20460), (1023, 19820), (1364, 14865), (1705, 11892), (1860, 10901), (1982, 10230), (2046, 9910), (2973, 6820), (3410, 5946), (3964, 5115), (4092, 4955)]