20018418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 96

約数和(自身を含む): 51601536

約数和(自身を除く): 31583118

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 23, 34, 42, 46, 51, 53, 69, 102, 106, 119, 138, 159, 161, 238, 318, 322, 357, 371, 391, 483, 529, 714, 742, 782, 901, 966, 1058, 1113, 1173, 1219, 1587, 1802, 2226, 2346, 2438, 2703, 2737, 3174, 3657, 3703, 5406, 5474, 6307, 7314, 7406, 8211, 8533, 8993, 11109, 12614, 16422, 17066, 17986, 18921, 20723, 22218, 25599, 26979, 28037, 37842, 41446, 51198, 53958, 56074, 62169, 62951, 84111, 124338, 125902, 145061, 168222, 188853, 196259, 290122, 377706, 392518, 435183, 476629, 588777, 870366, 953258, 1177554, 1429887, 2859774, 3336403, 6672806, 10009209, 20018418]

約数ペア:

[(1, 20018418), (2, 10009209), (3, 6672806), (6, 3336403), (7, 2859774), (14, 1429887), (17, 1177554), (21, 953258), (23, 870366), (34, 588777), (42, 476629), (46, 435183), (51, 392518), (53, 377706), (69, 290122), (102, 196259), (106, 188853), (119, 168222), (138, 145061), (159, 125902), (161, 124338), (238, 84111), (318, 62951), (322, 62169), (357, 56074), (371, 53958), (391, 51198), (483, 41446), (529, 37842), (714, 28037), (742, 26979), (782, 25599), (901, 22218), (966, 20723), (1058, 18921), (1113, 17986), (1173, 17066), (1219, 16422), (1587, 12614), (1802, 11109), (2226, 8993), (2346, 8533), (2438, 8211), (2703, 7406), (2737, 7314), (3174, 6307), (3657, 5474), (3703, 5406)]