20097480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{991}}^1$

素因数の和:1031

約数の個数: 96

約数和(自身を含む): 65352960

約数和(自身を除く): 45255480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 195, 260, 312, 338, 390, 507, 520, 676, 780, 845, 991, 1014, 1352, 1560, 1690, 1982, 2028, 2535, 2973, 3380, 3964, 4056, 4955, 5070, 5946, 6760, 7928, 9910, 10140, 11892, 12883, 14865, 19820, 20280, 23784, 25766, 29730, 38649, 39640, 51532, 59460, 64415, 77298, 103064, 118920, 128830, 154596, 167479, 193245, 257660, 309192, 334958, 386490, 502437, 515320, 669916, 772980, 837395, 1004874, 1339832, 1545960, 1674790, 2009748, 2512185, 3349580, 4019496, 5024370, 6699160, 10048740, 20097480]

約数ペア:

[(1, 20097480), (2, 10048740), (3, 6699160), (4, 5024370), (5, 4019496), (6, 3349580), (8, 2512185), (10, 2009748), (12, 1674790), (13, 1545960), (15, 1339832), (20, 1004874), (24, 837395), (26, 772980), (30, 669916), (39, 515320), (40, 502437), (52, 386490), (60, 334958), (65, 309192), (78, 257660), (104, 193245), (120, 167479), (130, 154596), (156, 128830), (169, 118920), (195, 103064), (260, 77298), (312, 64415), (338, 59460), (390, 51532), (507, 39640), (520, 38649), (676, 29730), (780, 25766), (845, 23784), (991, 20280), (1014, 19820), (1352, 14865), (1560, 12883), (1690, 11892), (1982, 10140), (2028, 9910), (2535, 7928), (2973, 6760), (3380, 5946), (3964, 5070), (4056, 4955)]