20854792160

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{403537}}^1$

素因数の和:403588

約数の個数: 96

約数和(自身を含む): 54913451040

約数和(自身を除く): 34058658880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 304, 323, 340, 380, 544, 608, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 2720, 3040, 3230, 5168, 6460, 10336, 12920, 25840, 51680, 403537, 807074, 1614148, 2017685, 3228296, 4035370, 6456592, 6860129, 7667203, 8070740, 12913184, 13720258, 15334406, 16141480, 27440516, 30668812, 32282960, 34300645, 38336015, 54881032, 61337624, 64565920, 68601290, 76672030, 109762064, 122675248, 130342451, 137202580, 153344060, 219524128, 245350496, 260684902, 274405160, 306688120, 521369804, 548810320, 613376240, 651712255, 1042739608, 1097620640, 1226752480, 1303424510, 2085479216, 2606849020, 4170958432, 5213698040, 10427396080, 20854792160]

約数ペア:

[(1, 20854792160), (2, 10427396080), (4, 5213698040), (5, 4170958432), (8, 2606849020), (10, 2085479216), (16, 1303424510), (17, 1226752480), (19, 1097620640), (20, 1042739608), (32, 651712255), (34, 613376240), (38, 548810320), (40, 521369804), (68, 306688120), (76, 274405160), (80, 260684902), (85, 245350496), (95, 219524128), (136, 153344060), (152, 137202580), (160, 130342451), (170, 122675248), (190, 109762064), (272, 76672030), (304, 68601290), (323, 64565920), (340, 61337624), (380, 54881032), (544, 38336015), (608, 34300645), (646, 32282960), (680, 30668812), (760, 27440516), (1292, 16141480), (1360, 15334406), (1520, 13720258), (1615, 12913184), (2584, 8070740), (2720, 7667203), (3040, 6860129), (3230, 6456592), (5168, 4035370), (6460, 3228296), (10336, 2017685), (12920, 1614148), (25840, 807074), (51680, 403537)]