20156073140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{74713}}^1$

素因数の和:74817

約数の個数: 96

約数和(自身を含む): 50609470464

約数和(自身を除く): 30453397324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 47, 70, 82, 94, 140, 164, 188, 205, 235, 287, 329, 410, 470, 574, 658, 820, 940, 1148, 1316, 1435, 1645, 1927, 2870, 3290, 3854, 5740, 6580, 7708, 9635, 13489, 19270, 26978, 38540, 53956, 67445, 74713, 134890, 149426, 269780, 298852, 373565, 522991, 747130, 1045982, 1494260, 2091964, 2614955, 3063233, 3511511, 5229910, 6126466, 7023022, 10459820, 12252932, 14046044, 15316165, 17557555, 21442631, 24580577, 30632330, 35115110, 42885262, 49161154, 61264660, 70230220, 85770524, 98322308, 107213155, 122902885, 143971951, 214426310, 245805770, 287943902, 428852620, 491611540, 575887804, 719859755, 1007803657, 1439719510, 2015607314, 2879439020, 4031214628, 5039018285, 10078036570, 20156073140]

約数ペア:

[(1, 20156073140), (2, 10078036570), (4, 5039018285), (5, 4031214628), (7, 2879439020), (10, 2015607314), (14, 1439719510), (20, 1007803657), (28, 719859755), (35, 575887804), (41, 491611540), (47, 428852620), (70, 287943902), (82, 245805770), (94, 214426310), (140, 143971951), (164, 122902885), (188, 107213155), (205, 98322308), (235, 85770524), (287, 70230220), (329, 61264660), (410, 49161154), (470, 42885262), (574, 35115110), (658, 30632330), (820, 24580577), (940, 21442631), (1148, 17557555), (1316, 15316165), (1435, 14046044), (1645, 12252932), (1927, 10459820), (2870, 7023022), (3290, 6126466), (3854, 5229910), (5740, 3511511), (6580, 3063233), (7708, 2614955), (9635, 2091964), (13489, 1494260), (19270, 1045982), (26978, 747130), (38540, 522991), (53956, 373565), (67445, 298852), (74713, 269780), (134890, 149426)]