20122859510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1\times {\mathrm{1433}}^1$

素因数の和:2553

約数の個数: 64

約数和(自身を含む): 39432476160

約数和(自身を除く): 19309616650

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 545, 991, 1090, 1417, 1433, 1982, 2834, 2866, 4955, 7085, 7165, 9910, 12883, 14170, 14330, 18629, 25766, 37258, 64415, 93145, 108019, 128830, 156197, 186290, 216038, 312394, 540095, 780985, 1080190, 1404247, 1420103, 1561970, 2030561, 2808494, 2840206, 4061122, 7021235, 7100515, 10152805, 14042470, 14201030, 18461339, 20305610, 36922678, 92306695, 154791227, 184613390, 309582454, 773956135, 1547912270, 2012285951, 4024571902, 10061429755, 20122859510]

約数ペア:

[(1, 20122859510), (2, 10061429755), (5, 4024571902), (10, 2012285951), (13, 1547912270), (26, 773956135), (65, 309582454), (109, 184613390), (130, 154791227), (218, 92306695), (545, 36922678), (991, 20305610), (1090, 18461339), (1417, 14201030), (1433, 14042470), (1982, 10152805), (2834, 7100515), (2866, 7021235), (4955, 4061122), (7085, 2840206), (7165, 2808494), (9910, 2030561), (12883, 1561970), (14170, 1420103), (14330, 1404247), (18629, 1080190), (25766, 780985), (37258, 540095), (64415, 312394), (93145, 216038), (108019, 186290), (128830, 156197)]