20954235540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{69197}}^1$

素因数の和:69326

約数の個数: 144

約数和(自身を含む): 68914564992

約数和(自身を除く): 47960329452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 103, 105, 140, 147, 196, 206, 210, 245, 294, 309, 412, 420, 490, 515, 588, 618, 721, 735, 980, 1030, 1236, 1442, 1470, 1545, 2060, 2163, 2884, 2940, 3090, 3605, 4326, 5047, 6180, 7210, 8652, 10094, 10815, 14420, 15141, 20188, 21630, 25235, 30282, 43260, 50470, 60564, 69197, 75705, 100940, 138394, 151410, 207591, 276788, 302820, 345985, 415182, 484379, 691970, 830364, 968758, 1037955, 1383940, 1453137, 1937516, 2075910, 2421895, 2906274, 3390653, 4151820, 4843790, 5812548, 6781306, 7127291, 7265685, 9687580, 10171959, 13562612, 14254582, 14531370, 16953265, 20343918, 21381873, 28509164, 29062740, 33906530, 35636455, 40687836, 42763746, 49891037, 50859795, 67813060, 71272910, 85527492, 99782074, 101719590, 106909365, 142545820, 149673111, 199564148, 203439180, 213818730, 249455185, 299346222, 349237259, 427637460, 498910370, 598692444, 698474518, 748365555, 997820740, 1047711777, 1396949036, 1496731110, 1746186295, 2095423554, 2993462220, 3492372590, 4190847108, 5238558885, 6984745180, 10477117770, 20954235540]

約数ペア:

[(1, 20954235540), (2, 10477117770), (3, 6984745180), (4, 5238558885), (5, 4190847108), (6, 3492372590), (7, 2993462220), (10, 2095423554), (12, 1746186295), (14, 1496731110), (15, 1396949036), (20, 1047711777), (21, 997820740), (28, 748365555), (30, 698474518), (35, 598692444), (42, 498910370), (49, 427637460), (60, 349237259), (70, 299346222), (84, 249455185), (98, 213818730), (103, 203439180), (105, 199564148), (140, 149673111), (147, 142545820), (196, 106909365), (206, 101719590), (210, 99782074), (245, 85527492), (294, 71272910), (309, 67813060), (412, 50859795), (420, 49891037), (490, 42763746), (515, 40687836), (588, 35636455), (618, 33906530), (721, 29062740), (735, 28509164), (980, 21381873), (1030, 20343918), (1236, 16953265), (1442, 14531370), (1470, 14254582), (1545, 13562612), (2060, 10171959), (2163, 9687580), (2884, 7265685), (2940, 7127291), (3090, 6781306), (3605, 5812548), (4326, 4843790), (5047, 4151820), (6180, 3390653), (7210, 2906274), (8652, 2421895), (10094, 2075910), (10815, 1937516), (14420, 1453137), (15141, 1383940), (20188, 1037955), (21630, 968758), (25235, 830364), (30282, 691970), (43260, 484379), (50470, 415182), (60564, 345985), (69197, 302820), (75705, 276788), (100940, 207591), (138394, 151410)]