20199346348

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:672

約数の個数: 108

約数和(自身を含む): 40119681000

約数和(自身を除く): 19920334652

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 97, 194, 289, 323, 361, 388, 499, 578, 646, 722, 998, 1156, 1292, 1444, 1649, 1843, 1996, 3298, 3686, 5491, 6137, 6596, 7372, 8483, 9481, 10982, 12274, 16966, 18962, 21964, 24548, 28033, 31331, 33932, 35017, 37924, 48403, 56066, 62662, 70034, 96806, 104329, 112132, 125324, 140068, 144211, 161177, 180139, 193612, 208658, 288422, 322354, 360278, 417316, 532627, 576844, 595289, 644708, 720556, 822851, 919657, 1065254, 1190578, 1645702, 1839314, 2130508, 2381156, 2740009, 3062363, 3291404, 3678628, 5480018, 6124726, 10119913, 10960036, 12249452, 13988467, 15634169, 17473483, 20239826, 27976934, 31268338, 34946966, 40479652, 52060171, 55953868, 62536676, 69893932, 104120342, 208240684, 265780873, 297049211, 531561746, 594098422, 1063123492, 1188196844, 5049836587, 10099673174, 20199346348]

約数ペア:

[(1, 20199346348), (2, 10099673174), (4, 5049836587), (17, 1188196844), (19, 1063123492), (34, 594098422), (38, 531561746), (68, 297049211), (76, 265780873), (97, 208240684), (194, 104120342), (289, 69893932), (323, 62536676), (361, 55953868), (388, 52060171), (499, 40479652), (578, 34946966), (646, 31268338), (722, 27976934), (998, 20239826), (1156, 17473483), (1292, 15634169), (1444, 13988467), (1649, 12249452), (1843, 10960036), (1996, 10119913), (3298, 6124726), (3686, 5480018), (5491, 3678628), (6137, 3291404), (6596, 3062363), (7372, 2740009), (8483, 2381156), (9481, 2130508), (10982, 1839314), (12274, 1645702), (16966, 1190578), (18962, 1065254), (21964, 919657), (24548, 822851), (28033, 720556), (31331, 644708), (33932, 595289), (35017, 576844), (37924, 532627), (48403, 417316), (56066, 360278), (62662, 322354), (70034, 288422), (96806, 208658), (104329, 193612), (112132, 180139), (125324, 161177), (140068, 144211)]