20131886817

素因数分解:

$3^2\times 7^2\times {\mathrm{4673}}^1\times {\mathrm{9769}}^1$

素因数の和:14462

約数の個数: 36

約数和(自身を含む): 33837750180

約数和(自身を除く): 13705863363

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4673, 9769, 14019, 29307, 32711, 42057, 68383, 87921, 98133, 205149, 228977, 294399, 478681, 615447, 686931, 1436043, 2060793, 4308129, 45650537, 136951611, 319553759, 410854833, 958661277, 2236876313, 2875983831, 6710628939, 20131886817]

約数ペア:

[(1, 20131886817), (3, 6710628939), (7, 2875983831), (9, 2236876313), (21, 958661277), (49, 410854833), (63, 319553759), (147, 136951611), (441, 45650537), (4673, 4308129), (9769, 2060793), (14019, 1436043), (29307, 686931), (32711, 615447), (42057, 478681), (68383, 294399), (87921, 228977), (98133, 205149)]