20162906820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{2953}}^1\times {\mathrm{5419}}^1$

素因数の和:8394

約数の個数: 144

約数和(自身を含む): 69934650240

約数和(自身を除く): 49771743420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 2953, 5419, 5906, 8859, 10838, 11812, 14765, 16257, 17718, 20671, 21676, 26577, 27095, 29530, 32514, 35436, 37933, 41342, 44295, 48771, 53154, 54190, 59060, 62013, 65028, 75866, 81285, 82684, 88590, 97542, 103355, 106308, 108380, 113799, 124026, 132885, 151732, 162570, 177180, 186039, 189665, 195084, 206710, 227598, 243855, 248052, 265770, 310065, 325140, 341397, 372078, 379330, 413420, 455196, 487710, 531540, 568995, 620130, 682794, 744156, 758660, 930195, 975420, 1137990, 1240260, 1365588, 1706985, 1860390, 2275980, 3413970, 3720780, 6827940, 16002307, 32004614, 48006921, 64009228, 80011535, 96013842, 112016149, 144020763, 160023070, 192027684, 224032298, 240034605, 288041526, 320046140, 336048447, 448064596, 480069210, 560080745, 576083052, 672096894, 720103815, 960138420, 1008145341, 1120161490, 1344193788, 1440207630, 1680242235, 2016290682, 2240322980, 2880415260, 3360484470, 4032581364, 5040726705, 6720968940, 10081453410, 20162906820]

約数ペア:

[(1, 20162906820), (2, 10081453410), (3, 6720968940), (4, 5040726705), (5, 4032581364), (6, 3360484470), (7, 2880415260), (9, 2240322980), (10, 2016290682), (12, 1680242235), (14, 1440207630), (15, 1344193788), (18, 1120161490), (20, 1008145341), (21, 960138420), (28, 720103815), (30, 672096894), (35, 576083052), (36, 560080745), (42, 480069210), (45, 448064596), (60, 336048447), (63, 320046140), (70, 288041526), (84, 240034605), (90, 224032298), (105, 192027684), (126, 160023070), (140, 144020763), (180, 112016149), (210, 96013842), (252, 80011535), (315, 64009228), (420, 48006921), (630, 32004614), (1260, 16002307), (2953, 6827940), (5419, 3720780), (5906, 3413970), (8859, 2275980), (10838, 1860390), (11812, 1706985), (14765, 1365588), (16257, 1240260), (17718, 1137990), (20671, 975420), (21676, 930195), (26577, 758660), (27095, 744156), (29530, 682794), (32514, 620130), (35436, 568995), (37933, 531540), (41342, 487710), (44295, 455196), (48771, 413420), (53154, 379330), (54190, 372078), (59060, 341397), (62013, 325140), (65028, 310065), (75866, 265770), (81285, 248052), (82684, 243855), (88590, 227598), (97542, 206710), (103355, 195084), (106308, 189665), (108380, 186039), (113799, 177180), (124026, 162570), (132885, 151732)]