20096680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:914

約数の個数: 64

約数和(自身を含む): 49190400

約数和(自身を除く): 29093720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 853, 1178, 1240, 1706, 2356, 2945, 3412, 4265, 4712, 5890, 6824, 8530, 11780, 16207, 17060, 23560, 26443, 32414, 34120, 52886, 64828, 81035, 105772, 129656, 132215, 162070, 211544, 264430, 324140, 502417, 528860, 648280, 1004834, 1057720, 2009668, 2512085, 4019336, 5024170, 10048340, 20096680]

約数ペア:

[(1, 20096680), (2, 10048340), (4, 5024170), (5, 4019336), (8, 2512085), (10, 2009668), (19, 1057720), (20, 1004834), (31, 648280), (38, 528860), (40, 502417), (62, 324140), (76, 264430), (95, 211544), (124, 162070), (152, 132215), (155, 129656), (190, 105772), (248, 81035), (310, 64828), (380, 52886), (589, 34120), (620, 32414), (760, 26443), (853, 23560), (1178, 17060), (1240, 16207), (1706, 11780), (2356, 8530), (2945, 6824), (3412, 5890), (4265, 4712)]