19908780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8093}}^1$

素因数の和:8146

約数の個数: 48

約数和(自身を含む): 57111264

約数和(自身を除く): 37202484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8093, 16186, 24279, 32372, 40465, 48558, 80930, 97116, 121395, 161860, 242790, 331813, 485580, 663626, 995439, 1327252, 1659065, 1990878, 3318130, 3981756, 4977195, 6636260, 9954390, 19908780]

約数ペア:

[(1, 19908780), (2, 9954390), (3, 6636260), (4, 4977195), (5, 3981756), (6, 3318130), (10, 1990878), (12, 1659065), (15, 1327252), (20, 995439), (30, 663626), (41, 485580), (60, 331813), (82, 242790), (123, 161860), (164, 121395), (205, 97116), (246, 80930), (410, 48558), (492, 40465), (615, 32372), (820, 24279), (1230, 16186), (2460, 8093)]