20347879095

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{267401}}^1$

素因数の和:267520

約数の個数: 48

約数和(自身を含む): 37543240800

約数和(自身を除く): 17195361705

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 89, 95, 171, 267, 285, 445, 801, 855, 1335, 1691, 4005, 5073, 8455, 15219, 25365, 76095, 267401, 802203, 1337005, 2406609, 4011015, 5080619, 12033045, 15241857, 23798689, 25403095, 45725571, 71396067, 76209285, 118993445, 214188201, 228627855, 356980335, 452175091, 1070941005, 1356525273, 2260875455, 4069575819, 6782626365, 20347879095]

約数ペア:

[(1, 20347879095), (3, 6782626365), (5, 4069575819), (9, 2260875455), (15, 1356525273), (19, 1070941005), (45, 452175091), (57, 356980335), (89, 228627855), (95, 214188201), (171, 118993445), (267, 76209285), (285, 71396067), (445, 45725571), (801, 25403095), (855, 23798689), (1335, 15241857), (1691, 12033045), (4005, 5080619), (5073, 4011015), (8455, 2406609), (15219, 1337005), (25365, 802203), (76095, 267401)]