20075640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{757}}^1$

素因数の和:801

約数の個数: 128

約数和(自身を含む): 68765760

約数和(自身を除く): 48690120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 757, 780, 884, 1020, 1105, 1326, 1514, 1560, 1768, 2040, 2210, 2271, 2652, 3028, 3315, 3785, 4420, 4542, 5304, 6056, 6630, 7570, 8840, 9084, 9841, 11355, 12869, 13260, 15140, 18168, 19682, 22710, 25738, 26520, 29523, 30280, 38607, 39364, 45420, 49205, 51476, 59046, 64345, 77214, 78728, 90840, 98410, 102952, 118092, 128690, 147615, 154428, 167297, 193035, 196820, 236184, 257380, 295230, 308856, 334594, 386070, 393640, 501891, 514760, 590460, 669188, 772140, 836485, 1003782, 1180920, 1338376, 1544280, 1672970, 2007564, 2509455, 3345940, 4015128, 5018910, 6691880, 10037820, 20075640]

約数ペア:

[(1, 20075640), (2, 10037820), (3, 6691880), (4, 5018910), (5, 4015128), (6, 3345940), (8, 2509455), (10, 2007564), (12, 1672970), (13, 1544280), (15, 1338376), (17, 1180920), (20, 1003782), (24, 836485), (26, 772140), (30, 669188), (34, 590460), (39, 514760), (40, 501891), (51, 393640), (52, 386070), (60, 334594), (65, 308856), (68, 295230), (78, 257380), (85, 236184), (102, 196820), (104, 193035), (120, 167297), (130, 154428), (136, 147615), (156, 128690), (170, 118092), (195, 102952), (204, 98410), (221, 90840), (255, 78728), (260, 77214), (312, 64345), (340, 59046), (390, 51476), (408, 49205), (442, 45420), (510, 39364), (520, 38607), (663, 30280), (680, 29523), (757, 26520), (780, 25738), (884, 22710), (1020, 19682), (1105, 18168), (1326, 15140), (1514, 13260), (1560, 12869), (1768, 11355), (2040, 9841), (2210, 9084), (2271, 8840), (2652, 7570), (3028, 6630), (3315, 6056), (3785, 5304), (4420, 4542)]