20191789930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{157049}}^1$

素因数の和:157135

約数の個数: 64

約数和(自身を含む): 41792889600

約数和(自身を除く): 21601099670

約数列:

[1, 2, 5, 10, 13, 23, 26, 43, 46, 65, 86, 115, 130, 215, 230, 299, 430, 559, 598, 989, 1118, 1495, 1978, 2795, 2990, 4945, 5590, 9890, 12857, 25714, 64285, 128570, 157049, 314098, 785245, 1570490, 2041637, 3612127, 4083274, 6753107, 7224254, 10208185, 13506214, 18060635, 20416370, 33765535, 36121270, 46957651, 67531070, 87790391, 93915302, 155321461, 175580782, 234788255, 310642922, 438951955, 469576510, 776607305, 877903910, 1553214610, 2019178993, 4038357986, 10095894965, 20191789930]

約数ペア:

[(1, 20191789930), (2, 10095894965), (5, 4038357986), (10, 2019178993), (13, 1553214610), (23, 877903910), (26, 776607305), (43, 469576510), (46, 438951955), (65, 310642922), (86, 234788255), (115, 175580782), (130, 155321461), (215, 93915302), (230, 87790391), (299, 67531070), (430, 46957651), (559, 36121270), (598, 33765535), (989, 20416370), (1118, 18060635), (1495, 13506214), (1978, 10208185), (2795, 7224254), (2990, 6753107), (4945, 4083274), (5590, 3612127), (9890, 2041637), (12857, 1570490), (25714, 785245), (64285, 314098), (128570, 157049)]