20433990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 51710400

約数和(自身を除く): 31276410

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 41, 74, 82, 111, 123, 185, 205, 222, 246, 370, 410, 449, 555, 615, 898, 1110, 1230, 1347, 1517, 2245, 2694, 3034, 4490, 4551, 6735, 7585, 9102, 13470, 15170, 16613, 18409, 22755, 33226, 36818, 45510, 49839, 55227, 83065, 92045, 99678, 110454, 166130, 184090, 249195, 276135, 498390, 552270, 681133, 1362266, 2043399, 3405665, 4086798, 6811330, 10216995, 20433990]

約数ペア:

[(1, 20433990), (2, 10216995), (3, 6811330), (5, 4086798), (6, 3405665), (10, 2043399), (15, 1362266), (30, 681133), (37, 552270), (41, 498390), (74, 276135), (82, 249195), (111, 184090), (123, 166130), (185, 110454), (205, 99678), (222, 92045), (246, 83065), (370, 55227), (410, 49839), (449, 45510), (555, 36818), (615, 33226), (898, 22755), (1110, 18409), (1230, 16613), (1347, 15170), (1517, 13470), (2245, 9102), (2694, 7585), (3034, 6735), (4490, 4551)]