20163570370

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{727}}^1\times {\mathrm{1621}}^1$

素因数の和:2443

約数の個数: 64

約数和(自身を含む): 38258438400

約数和(自身を除く): 18094868030

約数列:

[1, 2, 5, 10, 29, 58, 59, 118, 145, 290, 295, 590, 727, 1454, 1621, 1711, 3242, 3422, 3635, 7270, 8105, 8555, 16210, 17110, 21083, 42166, 42893, 47009, 85786, 94018, 95639, 105415, 191278, 210830, 214465, 235045, 428930, 470090, 478195, 956390, 1178467, 1243897, 2356934, 2487794, 2773531, 5547062, 5892335, 6219485, 11784670, 12438970, 13867655, 27735310, 34175543, 68351086, 69529553, 139059106, 170877715, 341755430, 347647765, 695295530, 2016357037, 4032714074, 10081785185, 20163570370]

約数ペア:

[(1, 20163570370), (2, 10081785185), (5, 4032714074), (10, 2016357037), (29, 695295530), (58, 347647765), (59, 341755430), (118, 170877715), (145, 139059106), (290, 69529553), (295, 68351086), (590, 34175543), (727, 27735310), (1454, 13867655), (1621, 12438970), (1711, 11784670), (3242, 6219485), (3422, 5892335), (3635, 5547062), (7270, 2773531), (8105, 2487794), (8555, 2356934), (16210, 1243897), (17110, 1178467), (21083, 956390), (42166, 478195), (42893, 470090), (47009, 428930), (85786, 235045), (94018, 214465), (95639, 210830), (105415, 191278)]