20213565144

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{821}}^1$

素因数の和:1193

約数の個数: 128

約数和(自身を含む): 52498575360

約数和(自身を除く): 32285010216

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 131, 164, 191, 246, 262, 328, 382, 393, 492, 524, 573, 764, 786, 821, 984, 1048, 1146, 1528, 1572, 1642, 2292, 2463, 3144, 3284, 4584, 4926, 5371, 6568, 7831, 9852, 10742, 15662, 16113, 19704, 21484, 23493, 25021, 31324, 32226, 33661, 42968, 46986, 50042, 62648, 64452, 67322, 75063, 93972, 100084, 100983, 107551, 128904, 134644, 150126, 156811, 187944, 200168, 201966, 215102, 269288, 300252, 313622, 322653, 403932, 430204, 470433, 600504, 627244, 645306, 807864, 860408, 940866, 1025861, 1254488, 1290612, 1881732, 2051722, 2581224, 3077583, 3763464, 4103444, 4409591, 6155166, 6429251, 8206888, 8819182, 12310332, 12858502, 13228773, 17638364, 19287753, 20542241, 24620664, 25717004, 26457546, 35276728, 38575506, 41084482, 51434008, 52915092, 61626723, 77151012, 82168964, 105830184, 123253446, 154302024, 164337928, 246506892, 493013784, 842231881, 1684463762, 2526695643, 3368927524, 5053391286, 6737855048, 10106782572, 20213565144]

約数ペア:

[(1, 20213565144), (2, 10106782572), (3, 6737855048), (4, 5053391286), (6, 3368927524), (8, 2526695643), (12, 1684463762), (24, 842231881), (41, 493013784), (82, 246506892), (123, 164337928), (131, 154302024), (164, 123253446), (191, 105830184), (246, 82168964), (262, 77151012), (328, 61626723), (382, 52915092), (393, 51434008), (492, 41084482), (524, 38575506), (573, 35276728), (764, 26457546), (786, 25717004), (821, 24620664), (984, 20542241), (1048, 19287753), (1146, 17638364), (1528, 13228773), (1572, 12858502), (1642, 12310332), (2292, 8819182), (2463, 8206888), (3144, 6429251), (3284, 6155166), (4584, 4409591), (4926, 4103444), (5371, 3763464), (6568, 3077583), (7831, 2581224), (9852, 2051722), (10742, 1881732), (15662, 1290612), (16113, 1254488), (19704, 1025861), (21484, 940866), (23493, 860408), (25021, 807864), (31324, 645306), (32226, 627244), (33661, 600504), (42968, 470433), (46986, 430204), (50042, 403932), (62648, 322653), (64452, 313622), (67322, 300252), (75063, 269288), (93972, 215102), (100084, 201966), (100983, 200168), (107551, 187944), (128904, 156811), (134644, 150126)]