20182469860

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{420293}}^1$

素因数の和:420330

約数の個数: 60

約数和(自身を含む): 49444226748

約数和(自身を除く): 29261756888

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2401, 3430, 4802, 6860, 9604, 12005, 24010, 48020, 420293, 840586, 1681172, 2101465, 2942051, 4202930, 5884102, 8405860, 11768204, 14710255, 20594357, 29420510, 41188714, 58841020, 82377428, 102971785, 144160499, 205943570, 288320998, 411887140, 576641996, 720802495, 1009123493, 1441604990, 2018246986, 2883209980, 4036493972, 5045617465, 10091234930, 20182469860]

約数ペア:

[(1, 20182469860), (2, 10091234930), (4, 5045617465), (5, 4036493972), (7, 2883209980), (10, 2018246986), (14, 1441604990), (20, 1009123493), (28, 720802495), (35, 576641996), (49, 411887140), (70, 288320998), (98, 205943570), (140, 144160499), (196, 102971785), (245, 82377428), (343, 58841020), (490, 41188714), (686, 29420510), (980, 20594357), (1372, 14710255), (1715, 11768204), (2401, 8405860), (3430, 5884102), (4802, 4202930), (6860, 2942051), (9604, 2101465), (12005, 1681172), (24010, 840586), (48020, 420293)]