20122073900

素因数分解:

$2^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{421}}^1\times {\mathrm{8101}}^1$

素因数の和:8595

約数の個数: 72

約数和(自身を含む): 44515952880

約数和(自身を除く): 24393878980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 59, 100, 118, 236, 295, 421, 590, 842, 1180, 1475, 1684, 2105, 2950, 4210, 5900, 8101, 8420, 10525, 16202, 21050, 24839, 32404, 40505, 42100, 49678, 81010, 99356, 124195, 162020, 202525, 248390, 405050, 477959, 496780, 620975, 810100, 955918, 1241950, 1911836, 2389795, 2483900, 3410521, 4779590, 6821042, 9559180, 11948975, 13642084, 17052605, 23897950, 34105210, 47795900, 68210420, 85263025, 170526050, 201220739, 341052100, 402441478, 804882956, 1006103695, 2012207390, 4024414780, 5030518475, 10061036950, 20122073900]

約数ペア:

[(1, 20122073900), (2, 10061036950), (4, 5030518475), (5, 4024414780), (10, 2012207390), (20, 1006103695), (25, 804882956), (50, 402441478), (59, 341052100), (100, 201220739), (118, 170526050), (236, 85263025), (295, 68210420), (421, 47795900), (590, 34105210), (842, 23897950), (1180, 17052605), (1475, 13642084), (1684, 11948975), (2105, 9559180), (2950, 6821042), (4210, 4779590), (5900, 3410521), (8101, 2483900), (8420, 2389795), (10525, 1911836), (16202, 1241950), (21050, 955918), (24839, 810100), (32404, 620975), (40505, 496780), (42100, 477959), (49678, 405050), (81010, 248390), (99356, 202525), (124195, 162020)]