20123997690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1439}}^1\times {\mathrm{1613}}^1$

素因数の和:3096

約数の個数: 96

約数和(自身を含む): 51373232640

約数和(自身を除く): 31249234950

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 289, 510, 578, 867, 1439, 1445, 1613, 1734, 2878, 2890, 3226, 4317, 4335, 4839, 7195, 8065, 8634, 8670, 9678, 14390, 16130, 21585, 24195, 24463, 27421, 43170, 48390, 48926, 54842, 73389, 82263, 122315, 137105, 146778, 164526, 244630, 274210, 366945, 411315, 415871, 466157, 733890, 822630, 831742, 932314, 1247613, 1398471, 2079355, 2321107, 2330785, 2495226, 2796942, 4158710, 4642214, 4661570, 6238065, 6963321, 6992355, 11605535, 12476130, 13926642, 13984710, 23211070, 34816605, 39458819, 69633210, 78917638, 118376457, 197294095, 236752914, 394588190, 591882285, 670799923, 1183764570, 1341599846, 2012399769, 3353999615, 4024799538, 6707999230, 10061998845, 20123997690]

約数ペア:

[(1, 20123997690), (2, 10061998845), (3, 6707999230), (5, 4024799538), (6, 3353999615), (10, 2012399769), (15, 1341599846), (17, 1183764570), (30, 670799923), (34, 591882285), (51, 394588190), (85, 236752914), (102, 197294095), (170, 118376457), (255, 78917638), (289, 69633210), (510, 39458819), (578, 34816605), (867, 23211070), (1439, 13984710), (1445, 13926642), (1613, 12476130), (1734, 11605535), (2878, 6992355), (2890, 6963321), (3226, 6238065), (4317, 4661570), (4335, 4642214), (4839, 4158710), (7195, 2796942), (8065, 2495226), (8634, 2330785), (8670, 2321107), (9678, 2079355), (14390, 1398471), (16130, 1247613), (21585, 932314), (24195, 831742), (24463, 822630), (27421, 733890), (43170, 466157), (48390, 415871), (48926, 411315), (54842, 366945), (73389, 274210), (82263, 244630), (122315, 164526), (137105, 146778)]