20814120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:232

約数の個数: 192

約数和(自身を含む): 75816000

約数和(自身を除く): 55001880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 19, 20, 24, 30, 34, 36, 38, 40, 45, 51, 57, 60, 68, 72, 76, 85, 90, 95, 102, 114, 120, 136, 152, 153, 170, 171, 179, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 358, 360, 380, 408, 456, 510, 537, 570, 612, 646, 680, 684, 716, 760, 765, 855, 895, 969, 1020, 1074, 1140, 1224, 1292, 1368, 1432, 1530, 1611, 1615, 1710, 1790, 1938, 2040, 2148, 2280, 2584, 2685, 2907, 3043, 3060, 3222, 3230, 3401, 3420, 3580, 3876, 4296, 4845, 5370, 5814, 6086, 6120, 6444, 6460, 6802, 6840, 7160, 7752, 8055, 9129, 9690, 10203, 10740, 11628, 12172, 12888, 12920, 13604, 14535, 15215, 16110, 17005, 18258, 19380, 20406, 21480, 23256, 24344, 27208, 27387, 29070, 30430, 30609, 32220, 34010, 36516, 38760, 40812, 45645, 51015, 54774, 57817, 58140, 60860, 61218, 64440, 68020, 73032, 81624, 91290, 102030, 109548, 115634, 116280, 121720, 122436, 136040, 136935, 153045, 173451, 182580, 204060, 219096, 231268, 244872, 273870, 289085, 306090, 346902, 365160, 408120, 462536, 520353, 547740, 578170, 612180, 693804, 867255, 1040706, 1095480, 1156340, 1224360, 1387608, 1734510, 2081412, 2312680, 2601765, 3469020, 4162824, 5203530, 6938040, 10407060, 20814120]

約数ペア:

[(1, 20814120), (2, 10407060), (3, 6938040), (4, 5203530), (5, 4162824), (6, 3469020), (8, 2601765), (9, 2312680), (10, 2081412), (12, 1734510), (15, 1387608), (17, 1224360), (18, 1156340), (19, 1095480), (20, 1040706), (24, 867255), (30, 693804), (34, 612180), (36, 578170), (38, 547740), (40, 520353), (45, 462536), (51, 408120), (57, 365160), (60, 346902), (68, 306090), (72, 289085), (76, 273870), (85, 244872), (90, 231268), (95, 219096), (102, 204060), (114, 182580), (120, 173451), (136, 153045), (152, 136935), (153, 136040), (170, 122436), (171, 121720), (179, 116280), (180, 115634), (190, 109548), (204, 102030), (228, 91290), (255, 81624), (285, 73032), (306, 68020), (323, 64440), (340, 61218), (342, 60860), (358, 58140), (360, 57817), (380, 54774), (408, 51015), (456, 45645), (510, 40812), (537, 38760), (570, 36516), (612, 34010), (646, 32220), (680, 30609), (684, 30430), (716, 29070), (760, 27387), (765, 27208), (855, 24344), (895, 23256), (969, 21480), (1020, 20406), (1074, 19380), (1140, 18258), (1224, 17005), (1292, 16110), (1368, 15215), (1432, 14535), (1530, 13604), (1611, 12920), (1615, 12888), (1710, 12172), (1790, 11628), (1938, 10740), (2040, 10203), (2148, 9690), (2280, 9129), (2584, 8055), (2685, 7752), (2907, 7160), (3043, 6840), (3060, 6802), (3222, 6460), (3230, 6444), (3401, 6120), (3420, 6086), (3580, 5814), (3876, 5370), (4296, 4845)]