20231440255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{8663}}^1$

素因数の和:8792

約数の個数: 64

約数和(自身を含む): 28878151680

約数和(自身を除く): 8646711425

約数列:

[1, 5, 13, 19, 31, 61, 65, 95, 155, 247, 305, 403, 589, 793, 1159, 1235, 1891, 2015, 2945, 3965, 5795, 7657, 8663, 9455, 15067, 24583, 35929, 38285, 43315, 75335, 112619, 122915, 164597, 179645, 268553, 467077, 528443, 563095, 822985, 1342765, 2139761, 2335385, 2642215, 3491189, 5102507, 6869759, 10040417, 10698805, 16381733, 17455945, 25512535, 34348795, 50202085, 66332591, 81908665, 130525421, 212962529, 311252927, 331662955, 652627105, 1064812645, 1556264635, 4046288051, 20231440255]

約数ペア:

[(1, 20231440255), (5, 4046288051), (13, 1556264635), (19, 1064812645), (31, 652627105), (61, 331662955), (65, 311252927), (95, 212962529), (155, 130525421), (247, 81908665), (305, 66332591), (403, 50202085), (589, 34348795), (793, 25512535), (1159, 17455945), (1235, 16381733), (1891, 10698805), (2015, 10040417), (2945, 6869759), (3965, 5102507), (5795, 3491189), (7657, 2642215), (8663, 2335385), (9455, 2139761), (15067, 1342765), (24583, 822985), (35929, 563095), (38285, 528443), (43315, 467077), (75335, 268553), (112619, 179645), (122915, 164597)]