20087218105

素因数分解:

$5^1\times {\mathrm{17}}^4\times {\mathrm{103}}^1\times {\mathrm{467}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 25915211712

約数和(自身を除く): 5827993607

約数列:

[1, 5, 17, 85, 103, 289, 467, 515, 1445, 1751, 2335, 4913, 7939, 8755, 24565, 29767, 39695, 48101, 83521, 134963, 148835, 240505, 417605, 506039, 674815, 817717, 2294371, 2530195, 4088585, 8602663, 11471855, 13901189, 39004307, 43013315, 69505945, 195021535, 236320213, 1181601065, 4017443621, 20087218105]

約数ペア:

[(1, 20087218105), (5, 4017443621), (17, 1181601065), (85, 236320213), (103, 195021535), (289, 69505945), (467, 43013315), (515, 39004307), (1445, 13901189), (1751, 11471855), (2335, 8602663), (4913, 4088585), (7939, 2530195), (8755, 2294371), (24565, 817717), (29767, 674815), (39695, 506039), (48101, 417605), (83521, 240505), (134963, 148835)]