20538642285

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{1034953}}^1$

素因数の和:1034984

約数の個数: 60

約数和(自身を含む): 42828466428

約数和(自身を除く): 22289824143

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 245, 315, 405, 441, 567, 735, 945, 1323, 2205, 2835, 3969, 6615, 19845, 1034953, 3104859, 5174765, 7244671, 9314577, 15524295, 21734013, 27943731, 36223355, 46572885, 50712697, 65202039, 83831193, 108670065, 139718655, 152138091, 195606117, 253563485, 326010195, 419155965, 456414273, 586818351, 760690455, 978030585, 1369242819, 2282071365, 2934091755, 4107728457, 6846214095, 20538642285]

約数ペア:

[(1, 20538642285), (3, 6846214095), (5, 4107728457), (7, 2934091755), (9, 2282071365), (15, 1369242819), (21, 978030585), (27, 760690455), (35, 586818351), (45, 456414273), (49, 419155965), (63, 326010195), (81, 253563485), (105, 195606117), (135, 152138091), (147, 139718655), (189, 108670065), (245, 83831193), (315, 65202039), (405, 50712697), (441, 46572885), (567, 36223355), (735, 27943731), (945, 21734013), (1323, 15524295), (2205, 9314577), (2835, 7244671), (3969, 5174765), (6615, 3104859), (19845, 1034953)]