20166420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1163}}^1$

素因数の和:1209

約数の個数: 72

約数和(自身を含む): 60034464

約数和(自身を除く): 39868044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 510, 578, 867, 1020, 1156, 1163, 1445, 1734, 2326, 2890, 3468, 3489, 4335, 4652, 5780, 5815, 6978, 8670, 11630, 13956, 17340, 17445, 19771, 23260, 34890, 39542, 59313, 69780, 79084, 98855, 118626, 197710, 237252, 296565, 336107, 395420, 593130, 672214, 1008321, 1186260, 1344428, 1680535, 2016642, 3361070, 4033284, 5041605, 6722140, 10083210, 20166420]

約数ペア:

[(1, 20166420), (2, 10083210), (3, 6722140), (4, 5041605), (5, 4033284), (6, 3361070), (10, 2016642), (12, 1680535), (15, 1344428), (17, 1186260), (20, 1008321), (30, 672214), (34, 593130), (51, 395420), (60, 336107), (68, 296565), (85, 237252), (102, 197710), (170, 118626), (204, 98855), (255, 79084), (289, 69780), (340, 59313), (510, 39542), (578, 34890), (867, 23260), (1020, 19771), (1156, 17445), (1163, 17340), (1445, 13956), (1734, 11630), (2326, 8670), (2890, 6978), (3468, 5815), (3489, 5780), (4335, 4652)]