20274030

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:671

約数の個数: 128

約数和(自身を含む): 65525760

約数和(自身を除く): 45251730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 27, 30, 34, 35, 42, 45, 51, 54, 63, 70, 85, 90, 102, 105, 119, 126, 135, 153, 170, 189, 210, 238, 255, 270, 306, 315, 357, 378, 459, 510, 595, 630, 631, 714, 765, 918, 945, 1071, 1190, 1262, 1530, 1785, 1890, 1893, 2142, 2295, 3155, 3213, 3570, 3786, 4417, 4590, 5355, 5679, 6310, 6426, 8834, 9465, 10710, 10727, 11358, 13251, 16065, 17037, 18930, 21454, 22085, 26502, 28395, 32130, 32181, 34074, 39753, 44170, 53635, 56790, 64362, 66255, 75089, 79506, 85185, 96543, 107270, 119259, 132510, 150178, 160905, 170370, 193086, 198765, 225267, 238518, 289629, 321810, 375445, 397530, 450534, 482715, 579258, 596295, 675801, 750890, 965430, 1126335, 1192590, 1351602, 1448145, 2027403, 2252670, 2896290, 3379005, 4054806, 6758010, 10137015, 20274030]

約数ペア:

[(1, 20274030), (2, 10137015), (3, 6758010), (5, 4054806), (6, 3379005), (7, 2896290), (9, 2252670), (10, 2027403), (14, 1448145), (15, 1351602), (17, 1192590), (18, 1126335), (21, 965430), (27, 750890), (30, 675801), (34, 596295), (35, 579258), (42, 482715), (45, 450534), (51, 397530), (54, 375445), (63, 321810), (70, 289629), (85, 238518), (90, 225267), (102, 198765), (105, 193086), (119, 170370), (126, 160905), (135, 150178), (153, 132510), (170, 119259), (189, 107270), (210, 96543), (238, 85185), (255, 79506), (270, 75089), (306, 66255), (315, 64362), (357, 56790), (378, 53635), (459, 44170), (510, 39753), (595, 34074), (630, 32181), (631, 32130), (714, 28395), (765, 26502), (918, 22085), (945, 21454), (1071, 18930), (1190, 17037), (1262, 16065), (1530, 13251), (1785, 11358), (1890, 10727), (1893, 10710), (2142, 9465), (2295, 8834), (3155, 6426), (3213, 6310), (3570, 5679), (3786, 5355), (4417, 4590)]