20252388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{659}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 51226560

約数和(自身を除く): 30974172

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 197, 394, 591, 659, 788, 1182, 1318, 1977, 2364, 2561, 2636, 3954, 5122, 7683, 7908, 8567, 10244, 15366, 17134, 25701, 30732, 34268, 51402, 102804, 129823, 259646, 389469, 519292, 778938, 1557876, 1687699, 3375398, 5063097, 6750796, 10126194, 20252388]

約数ペア:

[(1, 20252388), (2, 10126194), (3, 6750796), (4, 5063097), (6, 3375398), (12, 1687699), (13, 1557876), (26, 778938), (39, 519292), (52, 389469), (78, 259646), (156, 129823), (197, 102804), (394, 51402), (591, 34268), (659, 30732), (788, 25701), (1182, 17134), (1318, 15366), (1977, 10244), (2364, 8567), (2561, 7908), (2636, 7683), (3954, 5122)]