20215170

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 112

約数和(自身を含む): 56661120

約数和(自身を除く): 36445950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 47, 54, 59, 81, 90, 94, 118, 135, 141, 162, 177, 235, 243, 270, 282, 295, 354, 405, 423, 470, 486, 531, 590, 705, 729, 810, 846, 885, 1062, 1215, 1269, 1410, 1458, 1593, 1770, 2115, 2430, 2538, 2655, 2773, 3186, 3645, 3807, 4230, 4779, 5310, 5546, 6345, 7290, 7614, 7965, 8319, 9558, 11421, 12690, 13865, 14337, 15930, 16638, 19035, 22842, 23895, 24957, 27730, 28674, 34263, 38070, 41595, 43011, 47790, 49914, 57105, 68526, 71685, 74871, 83190, 86022, 114210, 124785, 143370, 149742, 171315, 215055, 224613, 249570, 342630, 374355, 430110, 449226, 673839, 748710, 1123065, 1347678, 2021517, 2246130, 3369195, 4043034, 6738390, 10107585, 20215170]

約数ペア:

[(1, 20215170), (2, 10107585), (3, 6738390), (5, 4043034), (6, 3369195), (9, 2246130), (10, 2021517), (15, 1347678), (18, 1123065), (27, 748710), (30, 673839), (45, 449226), (47, 430110), (54, 374355), (59, 342630), (81, 249570), (90, 224613), (94, 215055), (118, 171315), (135, 149742), (141, 143370), (162, 124785), (177, 114210), (235, 86022), (243, 83190), (270, 74871), (282, 71685), (295, 68526), (354, 57105), (405, 49914), (423, 47790), (470, 43011), (486, 41595), (531, 38070), (590, 34263), (705, 28674), (729, 27730), (810, 24957), (846, 23895), (885, 22842), (1062, 19035), (1215, 16638), (1269, 15930), (1410, 14337), (1458, 13865), (1593, 12690), (1770, 11421), (2115, 9558), (2430, 8319), (2538, 7965), (2655, 7614), (2773, 7290), (3186, 6345), (3645, 5546), (3807, 5310), (4230, 4779)]