20458788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3083}}^1$

素因数の和:3176

約数の個数: 48

約数和(自身を含む): 55265280

約数和(自身を除く): 34806492

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 158, 237, 316, 474, 553, 948, 1106, 1659, 2212, 3083, 3318, 6166, 6636, 9249, 12332, 18498, 21581, 36996, 43162, 64743, 86324, 129486, 243557, 258972, 487114, 730671, 974228, 1461342, 1704899, 2922684, 3409798, 5114697, 6819596, 10229394, 20458788]

約数ペア:

[(1, 20458788), (2, 10229394), (3, 6819596), (4, 5114697), (6, 3409798), (7, 2922684), (12, 1704899), (14, 1461342), (21, 974228), (28, 730671), (42, 487114), (79, 258972), (84, 243557), (158, 129486), (237, 86324), (316, 64743), (474, 43162), (553, 36996), (948, 21581), (1106, 18498), (1659, 12332), (2212, 9249), (3083, 6636), (3318, 6166)]