16669940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 43352064

約数和(自身を除く): 26682124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 62, 70, 92, 115, 124, 140, 155, 161, 167, 217, 230, 310, 322, 334, 434, 460, 620, 644, 668, 713, 805, 835, 868, 1085, 1169, 1426, 1610, 1670, 2170, 2338, 2852, 3220, 3340, 3565, 3841, 4340, 4676, 4991, 5177, 5845, 7130, 7682, 9982, 10354, 11690, 14260, 15364, 19205, 19964, 20708, 23380, 24955, 25885, 26887, 36239, 38410, 49910, 51770, 53774, 72478, 76820, 99820, 103540, 107548, 119071, 134435, 144956, 181195, 238142, 268870, 362390, 476284, 537740, 595355, 724780, 833497, 1190710, 1666994, 2381420, 3333988, 4167485, 8334970, 16669940]

約数ペア:

[(1, 16669940), (2, 8334970), (4, 4167485), (5, 3333988), (7, 2381420), (10, 1666994), (14, 1190710), (20, 833497), (23, 724780), (28, 595355), (31, 537740), (35, 476284), (46, 362390), (62, 268870), (70, 238142), (92, 181195), (115, 144956), (124, 134435), (140, 119071), (155, 107548), (161, 103540), (167, 99820), (217, 76820), (230, 72478), (310, 53774), (322, 51770), (334, 49910), (434, 38410), (460, 36239), (620, 26887), (644, 25885), (668, 24955), (713, 23380), (805, 20708), (835, 19964), (868, 19205), (1085, 15364), (1169, 14260), (1426, 11690), (1610, 10354), (1670, 9982), (2170, 7682), (2338, 7130), (2852, 5845), (3220, 5177), (3340, 4991), (3565, 4676), (3841, 4340)]