20820030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9013}}^1$

素因数の和:9041

約数の個数: 64

約数和(自身を含む): 62304768

約数和(自身を除く): 41484738

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 210, 231, 330, 385, 462, 770, 1155, 2310, 9013, 18026, 27039, 45065, 54078, 63091, 90130, 99143, 126182, 135195, 189273, 198286, 270390, 297429, 315455, 378546, 495715, 594858, 630910, 694001, 946365, 991430, 1388002, 1487145, 1892730, 2082003, 2974290, 3470005, 4164006, 6940010, 10410015, 20820030]

約数ペア:

[(1, 20820030), (2, 10410015), (3, 6940010), (5, 4164006), (6, 3470005), (7, 2974290), (10, 2082003), (11, 1892730), (14, 1487145), (15, 1388002), (21, 991430), (22, 946365), (30, 694001), (33, 630910), (35, 594858), (42, 495715), (55, 378546), (66, 315455), (70, 297429), (77, 270390), (105, 198286), (110, 189273), (154, 135195), (165, 126182), (210, 99143), (231, 90130), (330, 63091), (385, 54078), (462, 45065), (770, 27039), (1155, 18026), (2310, 9013)]