20003220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2179}}^1$

素因数の和:2214

約数の個数: 96

約数和(自身を含む): 65923200

約数和(自身を除く): 45919980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2179, 2295, 3060, 4358, 4590, 6537, 8716, 9180, 10895, 13074, 19611, 21790, 26148, 32685, 37043, 39222, 43580, 58833, 65370, 74086, 78444, 98055, 111129, 117666, 130740, 148172, 185215, 196110, 222258, 235332, 294165, 333387, 370430, 392220, 444516, 555645, 588330, 666774, 740860, 1000161, 1111290, 1176660, 1333548, 1666935, 2000322, 2222580, 3333870, 4000644, 5000805, 6667740, 10001610, 20003220]

約数ペア:

[(1, 20003220), (2, 10001610), (3, 6667740), (4, 5000805), (5, 4000644), (6, 3333870), (9, 2222580), (10, 2000322), (12, 1666935), (15, 1333548), (17, 1176660), (18, 1111290), (20, 1000161), (27, 740860), (30, 666774), (34, 588330), (36, 555645), (45, 444516), (51, 392220), (54, 370430), (60, 333387), (68, 294165), (85, 235332), (90, 222258), (102, 196110), (108, 185215), (135, 148172), (153, 130740), (170, 117666), (180, 111129), (204, 98055), (255, 78444), (270, 74086), (306, 65370), (340, 58833), (459, 43580), (510, 39222), (540, 37043), (612, 32685), (765, 26148), (918, 21790), (1020, 19611), (1530, 13074), (1836, 10895), (2179, 9180), (2295, 8716), (3060, 6537), (4358, 4590)]