20218745064

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{641}}^1\times {\mathrm{983}}^1$

素因数の和:1831

約数の個数: 128

約数和(自身を含む): 58220052480

約数和(自身を除く): 38001307416

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 191, 382, 573, 641, 764, 983, 1146, 1282, 1337, 1528, 1923, 1966, 2292, 2564, 2674, 2949, 3846, 3932, 4011, 4487, 4584, 5128, 5348, 5898, 6881, 7692, 7864, 8022, 8974, 10696, 11796, 13461, 13762, 15384, 16044, 17948, 20643, 23592, 26922, 27524, 32088, 35896, 41286, 53844, 55048, 82572, 107688, 122431, 165144, 187753, 244862, 367293, 375506, 489724, 563259, 630103, 734586, 751012, 857017, 979448, 1126518, 1260206, 1314271, 1469172, 1502024, 1714034, 1890309, 2253036, 2520412, 2571051, 2628542, 2938344, 3428068, 3780618, 3942813, 4410721, 4506072, 5040824, 5142102, 5257084, 6856136, 7561236, 7885626, 8821442, 10284204, 10514168, 13232163, 15122472, 15771252, 17642884, 20568408, 26464326, 31542504, 35285768, 52928652, 105857304, 120349673, 240699346, 361049019, 481398692, 722098038, 842447711, 962797384, 1444196076, 1684895422, 2527343133, 2888392152, 3369790844, 5054686266, 6739581688, 10109372532, 20218745064]

約数ペア:

[(1, 20218745064), (2, 10109372532), (3, 6739581688), (4, 5054686266), (6, 3369790844), (7, 2888392152), (8, 2527343133), (12, 1684895422), (14, 1444196076), (21, 962797384), (24, 842447711), (28, 722098038), (42, 481398692), (56, 361049019), (84, 240699346), (168, 120349673), (191, 105857304), (382, 52928652), (573, 35285768), (641, 31542504), (764, 26464326), (983, 20568408), (1146, 17642884), (1282, 15771252), (1337, 15122472), (1528, 13232163), (1923, 10514168), (1966, 10284204), (2292, 8821442), (2564, 7885626), (2674, 7561236), (2949, 6856136), (3846, 5257084), (3932, 5142102), (4011, 5040824), (4487, 4506072), (4584, 4410721), (5128, 3942813), (5348, 3780618), (5898, 3428068), (6881, 2938344), (7692, 2628542), (7864, 2571051), (8022, 2520412), (8974, 2253036), (10696, 1890309), (11796, 1714034), (13461, 1502024), (13762, 1469172), (15384, 1314271), (16044, 1260206), (17948, 1126518), (20643, 979448), (23592, 857017), (26922, 751012), (27524, 734586), (32088, 630103), (35896, 563259), (41286, 489724), (53844, 375506), (55048, 367293), (82572, 244862), (107688, 187753), (122431, 165144)]