20195514388

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{80239}}^1$

素因数の和:80440

約数の個数: 48

約数和(自身を含む): 41249779200

約数和(自身を除く): 21054264812

約数列:

[1, 2, 4, 7, 14, 28, 89, 101, 178, 202, 356, 404, 623, 707, 1246, 1414, 2492, 2828, 8989, 17978, 35956, 62923, 80239, 125846, 160478, 251692, 320956, 561673, 1123346, 2246692, 7141271, 8104139, 14282542, 16208278, 28565084, 32416556, 49988897, 56728973, 99977794, 113457946, 199955588, 226915892, 721268371, 1442536742, 2885073484, 5048878597, 10097757194, 20195514388]

約数ペア:

[(1, 20195514388), (2, 10097757194), (4, 5048878597), (7, 2885073484), (14, 1442536742), (28, 721268371), (89, 226915892), (101, 199955588), (178, 113457946), (202, 99977794), (356, 56728973), (404, 49988897), (623, 32416556), (707, 28565084), (1246, 16208278), (1414, 14282542), (2492, 8104139), (2828, 7141271), (8989, 2246692), (17978, 1123346), (35956, 561673), (62923, 320956), (80239, 251692), (125846, 160478)]