20587952

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{983}}^1$

素因数の和:1026

約数の個数: 80

約数和(自身を含む): 52710912

約数和(自身を除く): 32122960

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 56, 68, 77, 88, 112, 119, 136, 154, 176, 187, 238, 272, 308, 374, 476, 616, 748, 952, 983, 1232, 1309, 1496, 1904, 1966, 2618, 2992, 3932, 5236, 6881, 7864, 10472, 10813, 13762, 15728, 16711, 20944, 21626, 27524, 33422, 43252, 55048, 66844, 75691, 86504, 110096, 116977, 133688, 151382, 173008, 183821, 233954, 267376, 302764, 367642, 467908, 605528, 735284, 935816, 1211056, 1286747, 1470568, 1871632, 2573494, 2941136, 5146988, 10293976, 20587952]

約数ペア:

[(1, 20587952), (2, 10293976), (4, 5146988), (7, 2941136), (8, 2573494), (11, 1871632), (14, 1470568), (16, 1286747), (17, 1211056), (22, 935816), (28, 735284), (34, 605528), (44, 467908), (56, 367642), (68, 302764), (77, 267376), (88, 233954), (112, 183821), (119, 173008), (136, 151382), (154, 133688), (176, 116977), (187, 110096), (238, 86504), (272, 75691), (308, 66844), (374, 55048), (476, 43252), (616, 33422), (748, 27524), (952, 21626), (983, 20944), (1232, 16711), (1309, 15728), (1496, 13762), (1904, 10813), (1966, 10472), (2618, 7864), (2992, 6881), (3932, 5236)]