20932340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{563}}^1$

素因数の和:609

約数の個数: 72

約数和(自身を含む): 52018848

約数和(自身を除く): 31086508

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 563, 572, 676, 715, 845, 1126, 1430, 1690, 1859, 2252, 2815, 2860, 3380, 3718, 5630, 6193, 7319, 7436, 9295, 11260, 12386, 14638, 18590, 24772, 29276, 30965, 36595, 37180, 61930, 73190, 80509, 95147, 123860, 146380, 161018, 190294, 322036, 380588, 402545, 475735, 805090, 951470, 1046617, 1610180, 1902940, 2093234, 4186468, 5233085, 10466170, 20932340]

約数ペア:

[(1, 20932340), (2, 10466170), (4, 5233085), (5, 4186468), (10, 2093234), (11, 1902940), (13, 1610180), (20, 1046617), (22, 951470), (26, 805090), (44, 475735), (52, 402545), (55, 380588), (65, 322036), (110, 190294), (130, 161018), (143, 146380), (169, 123860), (220, 95147), (260, 80509), (286, 73190), (338, 61930), (563, 37180), (572, 36595), (676, 30965), (715, 29276), (845, 24772), (1126, 18590), (1430, 14638), (1690, 12386), (1859, 11260), (2252, 9295), (2815, 7436), (2860, 7319), (3380, 6193), (3718, 5630)]