20187882

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:97

約数の個数: 144

約数和(自身を含む): 55770624

約数和(自身を除く): 35582742

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 23, 26, 31, 33, 39, 46, 62, 66, 69, 78, 93, 99, 117, 121, 138, 143, 186, 198, 207, 234, 242, 253, 279, 286, 299, 341, 363, 403, 414, 429, 506, 558, 598, 682, 713, 726, 759, 806, 858, 897, 1023, 1089, 1209, 1287, 1426, 1518, 1573, 1794, 2046, 2139, 2178, 2277, 2418, 2574, 2691, 2783, 3069, 3146, 3289, 3627, 3751, 4278, 4433, 4554, 4719, 5382, 5566, 6138, 6417, 6578, 7254, 7502, 7843, 8349, 8866, 9269, 9438, 9867, 11253, 12834, 13299, 14157, 15686, 16698, 18538, 19734, 22506, 23529, 25047, 26598, 27807, 28314, 29601, 33759, 36179, 39897, 47058, 48763, 50094, 55614, 59202, 67518, 70587, 72358, 79794, 83421, 86273, 97526, 101959, 108537, 141174, 146289, 166842, 172546, 203918, 217074, 258819, 292578, 305877, 325611, 438867, 517638, 611754, 651222, 776457, 877734, 917631, 1121549, 1552914, 1835262, 2243098, 3364647, 6729294, 10093941, 20187882]

約数ペア:

[(1, 20187882), (2, 10093941), (3, 6729294), (6, 3364647), (9, 2243098), (11, 1835262), (13, 1552914), (18, 1121549), (22, 917631), (23, 877734), (26, 776457), (31, 651222), (33, 611754), (39, 517638), (46, 438867), (62, 325611), (66, 305877), (69, 292578), (78, 258819), (93, 217074), (99, 203918), (117, 172546), (121, 166842), (138, 146289), (143, 141174), (186, 108537), (198, 101959), (207, 97526), (234, 86273), (242, 83421), (253, 79794), (279, 72358), (286, 70587), (299, 67518), (341, 59202), (363, 55614), (403, 50094), (414, 48763), (429, 47058), (506, 39897), (558, 36179), (598, 33759), (682, 29601), (713, 28314), (726, 27807), (759, 26598), (806, 25047), (858, 23529), (897, 22506), (1023, 19734), (1089, 18538), (1209, 16698), (1287, 15686), (1426, 14157), (1518, 13299), (1573, 12834), (1794, 11253), (2046, 9867), (2139, 9438), (2178, 9269), (2277, 8866), (2418, 8349), (2574, 7843), (2691, 7502), (2783, 7254), (3069, 6578), (3146, 6417), (3289, 6138), (3627, 5566), (3751, 5382), (4278, 4719), (4433, 4554)]