20538050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1663}}^1$

素因数の和:1707

約数の個数: 48

約数和(自身を含む): 43330560

約数和(自身を除く): 22792510

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 1663, 2470, 3326, 6175, 8315, 12350, 16630, 21619, 31597, 41575, 43238, 63194, 83150, 108095, 157985, 216190, 315970, 410761, 540475, 789925, 821522, 1080950, 1579850, 2053805, 4107610, 10269025, 20538050]

約数ペア:

[(1, 20538050), (2, 10269025), (5, 4107610), (10, 2053805), (13, 1579850), (19, 1080950), (25, 821522), (26, 789925), (38, 540475), (50, 410761), (65, 315970), (95, 216190), (130, 157985), (190, 108095), (247, 83150), (325, 63194), (475, 43238), (494, 41575), (650, 31597), (950, 21619), (1235, 16630), (1663, 12350), (2470, 8315), (3326, 6175)]