20361915

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{743}}^1$

素因数の和:793

約数の個数: 64

約数和(自身を含む): 42854400

約数和(自身を除く): 22492485

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 29, 35, 45, 63, 87, 105, 135, 145, 189, 203, 261, 315, 435, 609, 743, 783, 945, 1015, 1305, 1827, 2229, 3045, 3715, 3915, 5201, 5481, 6687, 9135, 11145, 15603, 20061, 21547, 26005, 27405, 33435, 46809, 64641, 78015, 100305, 107735, 140427, 150829, 193923, 234045, 323205, 452487, 581769, 702135, 754145, 969615, 1357461, 2262435, 2908845, 4072383, 6787305, 20361915]

約数ペア:

[(1, 20361915), (3, 6787305), (5, 4072383), (7, 2908845), (9, 2262435), (15, 1357461), (21, 969615), (27, 754145), (29, 702135), (35, 581769), (45, 452487), (63, 323205), (87, 234045), (105, 193923), (135, 150829), (145, 140427), (189, 107735), (203, 100305), (261, 78015), (315, 64641), (435, 46809), (609, 33435), (743, 27405), (783, 26005), (945, 21547), (1015, 20061), (1305, 15603), (1827, 11145), (2229, 9135), (3045, 6687), (3715, 5481), (3915, 5201)]