20209888930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{74353}}^1$

素因数の和:74731

約数の個数: 64

約数和(自身を含む): 45483234048

約数和(自身を除く): 25273345118

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 353, 385, 706, 770, 1765, 2471, 3530, 3883, 4942, 7766, 12355, 19415, 24710, 27181, 38830, 54362, 74353, 135905, 148706, 271810, 371765, 520471, 743530, 817883, 1040942, 1635766, 2602355, 4089415, 5204710, 5725181, 8178830, 11450362, 26246609, 28625905, 52493218, 57251810, 131233045, 183726263, 262466090, 288712699, 367452526, 577425398, 918631315, 1443563495, 1837262630, 2020988893, 2887126990, 4041977786, 10104944465, 20209888930]

約数ペア:

[(1, 20209888930), (2, 10104944465), (5, 4041977786), (7, 2887126990), (10, 2020988893), (11, 1837262630), (14, 1443563495), (22, 918631315), (35, 577425398), (55, 367452526), (70, 288712699), (77, 262466090), (110, 183726263), (154, 131233045), (353, 57251810), (385, 52493218), (706, 28625905), (770, 26246609), (1765, 11450362), (2471, 8178830), (3530, 5725181), (3883, 5204710), (4942, 4089415), (7766, 2602355), (12355, 1635766), (19415, 1040942), (24710, 817883), (27181, 743530), (38830, 520471), (54362, 371765), (74353, 271810), (135905, 148706)]