20172376090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{8311}}^1$

素因数の和:8575

約数の個数: 64

約数和(自身を含む): 38737377792

約数和(自身を除く): 18565001702

約数列:

[1, 2, 5, 10, 23, 46, 61, 115, 122, 173, 230, 305, 346, 610, 865, 1403, 1730, 2806, 3979, 7015, 7958, 8311, 10553, 14030, 16622, 19895, 21106, 39790, 41555, 52765, 83110, 105530, 191153, 242719, 382306, 485438, 506971, 955765, 1013942, 1213595, 1437803, 1911530, 2427190, 2534855, 2875606, 5069710, 7189015, 11660333, 14378030, 23320666, 33069469, 58301665, 66138938, 87705983, 116603330, 165347345, 175411966, 330694690, 438529915, 877059830, 2017237609, 4034475218, 10086188045, 20172376090]

約数ペア:

[(1, 20172376090), (2, 10086188045), (5, 4034475218), (10, 2017237609), (23, 877059830), (46, 438529915), (61, 330694690), (115, 175411966), (122, 165347345), (173, 116603330), (230, 87705983), (305, 66138938), (346, 58301665), (610, 33069469), (865, 23320666), (1403, 14378030), (1730, 11660333), (2806, 7189015), (3979, 5069710), (7015, 2875606), (7958, 2534855), (8311, 2427190), (10553, 1911530), (14030, 1437803), (16622, 1213595), (19895, 1013942), (21106, 955765), (39790, 506971), (41555, 485438), (52765, 382306), (83110, 242719), (105530, 191153)]