20198072096

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{608669}}^1$

素因数の和:608757

約数の個数: 48

約数和(自身を含む): 42794370360

約数和(自身を除く): 22596298264

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 68, 122, 136, 244, 272, 488, 544, 976, 1037, 1952, 2074, 4148, 8296, 16592, 33184, 608669, 1217338, 2434676, 4869352, 9738704, 10347373, 19477408, 20694746, 37128809, 41389492, 74257618, 82778984, 148515236, 165557968, 297030472, 331115936, 594060944, 631189753, 1188121888, 1262379506, 2524759012, 5049518024, 10099036048, 20198072096]

約数ペア:

[(1, 20198072096), (2, 10099036048), (4, 5049518024), (8, 2524759012), (16, 1262379506), (17, 1188121888), (32, 631189753), (34, 594060944), (61, 331115936), (68, 297030472), (122, 165557968), (136, 148515236), (244, 82778984), (272, 74257618), (488, 41389492), (544, 37128809), (976, 20694746), (1037, 19477408), (1952, 10347373), (2074, 9738704), (4148, 4869352), (8296, 2434676), (16592, 1217338), (33184, 608669)]