20149794

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:464

約数の個数: 96

約数和(自身を含む): 55261440

約数和(自身を除く): 35111646

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 23, 34, 42, 46, 51, 63, 69, 102, 119, 126, 138, 153, 161, 207, 238, 306, 322, 357, 391, 409, 414, 483, 714, 782, 818, 966, 1071, 1173, 1227, 1449, 2142, 2346, 2454, 2737, 2863, 2898, 3519, 3681, 5474, 5726, 6953, 7038, 7362, 8211, 8589, 9407, 13906, 16422, 17178, 18814, 20859, 24633, 25767, 28221, 41718, 48671, 49266, 51534, 56442, 62577, 65849, 84663, 97342, 125154, 131698, 146013, 159919, 169326, 197547, 292026, 319838, 395094, 438039, 479757, 592641, 876078, 959514, 1119433, 1185282, 1439271, 2238866, 2878542, 3358299, 6716598, 10074897, 20149794]

約数ペア:

[(1, 20149794), (2, 10074897), (3, 6716598), (6, 3358299), (7, 2878542), (9, 2238866), (14, 1439271), (17, 1185282), (18, 1119433), (21, 959514), (23, 876078), (34, 592641), (42, 479757), (46, 438039), (51, 395094), (63, 319838), (69, 292026), (102, 197547), (119, 169326), (126, 159919), (138, 146013), (153, 131698), (161, 125154), (207, 97342), (238, 84663), (306, 65849), (322, 62577), (357, 56442), (391, 51534), (409, 49266), (414, 48671), (483, 41718), (714, 28221), (782, 25767), (818, 24633), (966, 20859), (1071, 18814), (1173, 17178), (1227, 16422), (1449, 13906), (2142, 9407), (2346, 8589), (2454, 8211), (2737, 7362), (2863, 7038), (2898, 6953), (3519, 5726), (3681, 5474)]