20125346380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1\times {\mathrm{1279}}^1$

素因数の和:1823

約数の個数: 96

約数和(自身を含む): 44797132800

約数和(自身を除く): 24671786420

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 433, 460, 790, 866, 1279, 1580, 1732, 1817, 2165, 2558, 3634, 4330, 5116, 6395, 7268, 8660, 9085, 9959, 12790, 18170, 19918, 25580, 29417, 34207, 36340, 39836, 49795, 58834, 68414, 99590, 101041, 117668, 136828, 147085, 171035, 199180, 202082, 294170, 342070, 404164, 505205, 553807, 588340, 684140, 786761, 1010410, 1107614, 1573522, 2020820, 2215228, 2323943, 2769035, 3147044, 3933805, 4647886, 5538070, 7867610, 9295772, 11076140, 11619715, 12737561, 15735220, 23239430, 25475122, 43750753, 46478860, 50950244, 63687805, 87501506, 127375610, 175003012, 218753765, 254751220, 437507530, 875015060, 1006267319, 2012534638, 4025069276, 5031336595, 10062673190, 20125346380]

約数ペア:

[(1, 20125346380), (2, 10062673190), (4, 5031336595), (5, 4025069276), (10, 2012534638), (20, 1006267319), (23, 875015060), (46, 437507530), (79, 254751220), (92, 218753765), (115, 175003012), (158, 127375610), (230, 87501506), (316, 63687805), (395, 50950244), (433, 46478860), (460, 43750753), (790, 25475122), (866, 23239430), (1279, 15735220), (1580, 12737561), (1732, 11619715), (1817, 11076140), (2165, 9295772), (2558, 7867610), (3634, 5538070), (4330, 4647886), (5116, 3933805), (6395, 3147044), (7268, 2769035), (8660, 2323943), (9085, 2215228), (9959, 2020820), (12790, 1573522), (18170, 1107614), (19918, 1010410), (25580, 786761), (29417, 684140), (34207, 588340), (36340, 553807), (39836, 505205), (49795, 404164), (58834, 342070), (68414, 294170), (99590, 202082), (101041, 199180), (117668, 171035), (136828, 147085)]