20496894560

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7535623}}^1$

素因数の和:7535655

約数の個数: 48

約数和(自身を含む): 51272385696

約数和(自身を除く): 30775491136

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 7535623, 15071246, 30142492, 37678115, 60284984, 75356230, 120569968, 128105591, 150712460, 241139936, 256211182, 301424920, 512422364, 602849840, 640527955, 1024844728, 1205699680, 1281055910, 2049689456, 2562111820, 4099378912, 5124223640, 10248447280, 20496894560]

約数ペア:

[(1, 20496894560), (2, 10248447280), (4, 5124223640), (5, 4099378912), (8, 2562111820), (10, 2049689456), (16, 1281055910), (17, 1205699680), (20, 1024844728), (32, 640527955), (34, 602849840), (40, 512422364), (68, 301424920), (80, 256211182), (85, 241139936), (136, 150712460), (160, 128105591), (170, 120569968), (272, 75356230), (340, 60284984), (544, 37678115), (680, 30142492), (1360, 15071246), (2720, 7535623)]