20599509970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{50129}}^1$

素因数の和:50287

約数の個数: 64

約数和(自身を含む): 41688108000

約数和(自身を除く): 21088598030

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 109, 130, 145, 218, 290, 377, 545, 754, 1090, 1417, 1885, 2834, 3161, 3770, 6322, 7085, 14170, 15805, 31610, 41093, 50129, 82186, 100258, 205465, 250645, 410930, 501290, 651677, 1303354, 1453741, 2907482, 3258385, 5464061, 6516770, 7268705, 10928122, 14537410, 18898633, 27320305, 37797266, 54640610, 71032793, 94493165, 142065586, 158457769, 188986330, 316915538, 355163965, 710327930, 792288845, 1584577690, 2059950997, 4119901994, 10299754985, 20599509970]

約数ペア:

[(1, 20599509970), (2, 10299754985), (5, 4119901994), (10, 2059950997), (13, 1584577690), (26, 792288845), (29, 710327930), (58, 355163965), (65, 316915538), (109, 188986330), (130, 158457769), (145, 142065586), (218, 94493165), (290, 71032793), (377, 54640610), (545, 37797266), (754, 27320305), (1090, 18898633), (1417, 14537410), (1885, 10928122), (2834, 7268705), (3161, 6516770), (3770, 5464061), (6322, 3258385), (7085, 2907482), (14170, 1453741), (15805, 1303354), (31610, 651677), (41093, 501290), (50129, 410930), (82186, 250645), (100258, 205465)]