20723340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1847}}^1$

素因数の和:1887

約数の個数: 96

約数和(自身を含む): 67060224

約数和(自身を除く): 46336884

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 132, 165, 170, 187, 204, 220, 255, 330, 340, 374, 510, 561, 660, 748, 935, 1020, 1122, 1847, 1870, 2244, 2805, 3694, 3740, 5541, 5610, 7388, 9235, 11082, 11220, 18470, 20317, 22164, 27705, 31399, 36940, 40634, 55410, 60951, 62798, 81268, 94197, 101585, 110820, 121902, 125596, 156995, 188394, 203170, 243804, 304755, 313990, 345389, 376788, 406340, 470985, 609510, 627980, 690778, 941970, 1036167, 1219020, 1381556, 1726945, 1883940, 2072334, 3453890, 4144668, 5180835, 6907780, 10361670, 20723340]

約数ペア:

[(1, 20723340), (2, 10361670), (3, 6907780), (4, 5180835), (5, 4144668), (6, 3453890), (10, 2072334), (11, 1883940), (12, 1726945), (15, 1381556), (17, 1219020), (20, 1036167), (22, 941970), (30, 690778), (33, 627980), (34, 609510), (44, 470985), (51, 406340), (55, 376788), (60, 345389), (66, 313990), (68, 304755), (85, 243804), (102, 203170), (110, 188394), (132, 156995), (165, 125596), (170, 121902), (187, 110820), (204, 101585), (220, 94197), (255, 81268), (330, 62798), (340, 60951), (374, 55410), (510, 40634), (561, 36940), (660, 31399), (748, 27705), (935, 22164), (1020, 20317), (1122, 18470), (1847, 11220), (1870, 11082), (2244, 9235), (2805, 7388), (3694, 5610), (3740, 5541)]