20197387854

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{12037}}^1$

素因数の和:12271

約数の個数: 128

約数和(自身を含む): 53806970880

約数和(自身を除く): 33609583026

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 54, 63, 69, 126, 138, 161, 189, 193, 207, 322, 378, 386, 414, 483, 579, 621, 966, 1158, 1242, 1351, 1449, 1737, 2702, 2898, 3474, 4053, 4347, 4439, 5211, 8106, 8694, 8878, 10422, 12037, 12159, 13317, 24074, 24318, 26634, 31073, 36111, 36477, 39951, 62146, 72222, 72954, 79902, 84259, 93219, 108333, 119853, 168518, 186438, 216666, 239706, 252777, 276851, 279657, 324999, 505554, 553702, 559314, 649998, 758331, 830553, 838971, 1516662, 1661106, 1677942, 1937957, 2274993, 2323141, 2491659, 3875914, 4549986, 4646282, 4983318, 5813871, 6969423, 7474977, 11627742, 13938846, 14949954, 16261987, 17441613, 20908269, 32523974, 34883226, 41816538, 48785961, 52324839, 53432243, 62724807, 97571922, 104649678, 106864486, 125449614, 146357883, 160296729, 292715766, 320593458, 374025701, 439073649, 480890187, 748051402, 878147298, 961780374, 1122077103, 1442670561, 2244154206, 2885341122, 3366231309, 6732462618, 10098693927, 20197387854]

約数ペア:

[(1, 20197387854), (2, 10098693927), (3, 6732462618), (6, 3366231309), (7, 2885341122), (9, 2244154206), (14, 1442670561), (18, 1122077103), (21, 961780374), (23, 878147298), (27, 748051402), (42, 480890187), (46, 439073649), (54, 374025701), (63, 320593458), (69, 292715766), (126, 160296729), (138, 146357883), (161, 125449614), (189, 106864486), (193, 104649678), (207, 97571922), (322, 62724807), (378, 53432243), (386, 52324839), (414, 48785961), (483, 41816538), (579, 34883226), (621, 32523974), (966, 20908269), (1158, 17441613), (1242, 16261987), (1351, 14949954), (1449, 13938846), (1737, 11627742), (2702, 7474977), (2898, 6969423), (3474, 5813871), (4053, 4983318), (4347, 4646282), (4439, 4549986), (5211, 3875914), (8106, 2491659), (8694, 2323141), (8878, 2274993), (10422, 1937957), (12037, 1677942), (12159, 1661106), (13317, 1516662), (24074, 838971), (24318, 830553), (26634, 758331), (31073, 649998), (36111, 559314), (36477, 553702), (39951, 505554), (62146, 324999), (72222, 279657), (72954, 276851), (79902, 252777), (84259, 239706), (93219, 216666), (108333, 186438), (119853, 168518)]