20479968015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{22669}}^1$

素因数の和:22844

約数の個数: 64

約数和(自身を含む): 36470770560

約数和(自身を除く): 15990802545

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 113, 123, 195, 205, 339, 533, 565, 615, 1469, 1599, 1695, 2665, 4407, 4633, 7345, 7995, 13899, 22035, 22669, 23165, 60229, 68007, 69495, 113345, 180687, 294697, 301145, 340035, 884091, 903435, 929429, 1473485, 2561597, 2788287, 4420455, 4647145, 7684791, 12082577, 12807985, 13941435, 33300761, 36247731, 38423955, 60412885, 99902283, 105025477, 166503805, 181238655, 315076431, 499511415, 525127385, 1365331201, 1575382155, 4095993603, 6826656005, 20479968015]

約数ペア:

[(1, 20479968015), (3, 6826656005), (5, 4095993603), (13, 1575382155), (15, 1365331201), (39, 525127385), (41, 499511415), (65, 315076431), (113, 181238655), (123, 166503805), (195, 105025477), (205, 99902283), (339, 60412885), (533, 38423955), (565, 36247731), (615, 33300761), (1469, 13941435), (1599, 12807985), (1695, 12082577), (2665, 7684791), (4407, 4647145), (4633, 4420455), (7345, 2788287), (7995, 2561597), (13899, 1473485), (22035, 929429), (22669, 903435), (23165, 884091), (60229, 340035), (68007, 301145), (69495, 294697), (113345, 180687)]