16927820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 44706816

約数和(自身を除く): 27778996

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 71, 91, 130, 131, 140, 142, 182, 260, 262, 284, 355, 364, 455, 497, 524, 655, 710, 910, 917, 923, 994, 1310, 1420, 1703, 1820, 1834, 1846, 1988, 2485, 2620, 3406, 3668, 3692, 4585, 4615, 4970, 6461, 6812, 8515, 9170, 9230, 9301, 9940, 11921, 12922, 17030, 18340, 18460, 18602, 23842, 25844, 32305, 34060, 37204, 46505, 47684, 59605, 64610, 65107, 93010, 119210, 120913, 129220, 130214, 186020, 238420, 241826, 260428, 325535, 483652, 604565, 651070, 846391, 1209130, 1302140, 1692782, 2418260, 3385564, 4231955, 8463910, 16927820]

約数ペア:

[(1, 16927820), (2, 8463910), (4, 4231955), (5, 3385564), (7, 2418260), (10, 1692782), (13, 1302140), (14, 1209130), (20, 846391), (26, 651070), (28, 604565), (35, 483652), (52, 325535), (65, 260428), (70, 241826), (71, 238420), (91, 186020), (130, 130214), (131, 129220), (140, 120913), (142, 119210), (182, 93010), (260, 65107), (262, 64610), (284, 59605), (355, 47684), (364, 46505), (455, 37204), (497, 34060), (524, 32305), (655, 25844), (710, 23842), (910, 18602), (917, 18460), (923, 18340), (994, 17030), (1310, 12922), (1420, 11921), (1703, 9940), (1820, 9301), (1834, 9230), (1846, 9170), (1988, 8515), (2485, 6812), (2620, 6461), (3406, 4970), (3668, 4615), (3692, 4585)]