20194859516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{23143}}^1$

素因数の和:23430

約数の個数: 48

約数和(自身を含む): 38675845824

約数和(自身を除く): 18480986308

約数列:

[1, 2, 4, 13, 26, 52, 97, 173, 194, 346, 388, 692, 1261, 2249, 2522, 4498, 5044, 8996, 16781, 23143, 33562, 46286, 67124, 92572, 218153, 300859, 436306, 601718, 872612, 1203436, 2244871, 4003739, 4489742, 8007478, 8979484, 16014956, 29183323, 52048607, 58366646, 104097214, 116733292, 208194428, 388362683, 776725366, 1553450732, 5048714879, 10097429758, 20194859516]

約数ペア:

[(1, 20194859516), (2, 10097429758), (4, 5048714879), (13, 1553450732), (26, 776725366), (52, 388362683), (97, 208194428), (173, 116733292), (194, 104097214), (346, 58366646), (388, 52048607), (692, 29183323), (1261, 16014956), (2249, 8979484), (2522, 8007478), (4498, 4489742), (5044, 4003739), (8996, 2244871), (16781, 1203436), (23143, 872612), (33562, 601718), (46286, 436306), (67124, 300859), (92572, 218153)]