20286252

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1019}}^1$

素因数の和:1115

約数の個数: 72

約数和(自身を含む): 59404800

約数和(自身を除く): 39118548

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 474, 553, 711, 948, 1019, 1106, 1422, 1659, 2038, 2212, 2844, 3057, 3318, 4076, 4977, 6114, 6636, 7133, 9171, 9954, 12228, 14266, 18342, 19908, 21399, 28532, 36684, 42798, 64197, 80501, 85596, 128394, 161002, 241503, 256788, 322004, 483006, 563507, 724509, 966012, 1127014, 1449018, 1690521, 2254028, 2898036, 3381042, 5071563, 6762084, 10143126, 20286252]

約数ペア:

[(1, 20286252), (2, 10143126), (3, 6762084), (4, 5071563), (6, 3381042), (7, 2898036), (9, 2254028), (12, 1690521), (14, 1449018), (18, 1127014), (21, 966012), (28, 724509), (36, 563507), (42, 483006), (63, 322004), (79, 256788), (84, 241503), (126, 161002), (158, 128394), (237, 85596), (252, 80501), (316, 64197), (474, 42798), (553, 36684), (711, 28532), (948, 21399), (1019, 19908), (1106, 18342), (1422, 14266), (1659, 12228), (2038, 9954), (2212, 9171), (2844, 7133), (3057, 6636), (3318, 6114), (4076, 4977)]