20356614

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:325

約数の個数: 48

約数和(自身を含む): 45405360

約数和(自身を除く): 25048746

約数列:

[1, 2, 3, 6, 9, 18, 89, 97, 131, 178, 194, 262, 267, 291, 393, 534, 582, 786, 801, 873, 1179, 1602, 1746, 2358, 8633, 11659, 12707, 17266, 23318, 25414, 25899, 34977, 38121, 51798, 69954, 76242, 77697, 104931, 114363, 155394, 209862, 228726, 1130923, 2261846, 3392769, 6785538, 10178307, 20356614]

約数ペア:

[(1, 20356614), (2, 10178307), (3, 6785538), (6, 3392769), (9, 2261846), (18, 1130923), (89, 228726), (97, 209862), (131, 155394), (178, 114363), (194, 104931), (262, 77697), (267, 76242), (291, 69954), (393, 51798), (534, 38121), (582, 34977), (786, 25899), (801, 25414), (873, 23318), (1179, 17266), (1602, 12707), (1746, 11659), (2358, 8633)]