20961300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{653}}^1$

素因数の和:777

約数の個数: 72

約数和(自身を含む): 61308576

約数和(自身を除く): 40347276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 107, 150, 214, 300, 321, 428, 535, 642, 653, 1070, 1284, 1306, 1605, 1959, 2140, 2612, 2675, 3210, 3265, 3918, 5350, 6420, 6530, 7836, 8025, 9795, 10700, 13060, 16050, 16325, 19590, 32100, 32650, 39180, 48975, 65300, 69871, 97950, 139742, 195900, 209613, 279484, 349355, 419226, 698710, 838452, 1048065, 1397420, 1746775, 2096130, 3493550, 4192260, 5240325, 6987100, 10480650, 20961300]

約数ペア:

[(1, 20961300), (2, 10480650), (3, 6987100), (4, 5240325), (5, 4192260), (6, 3493550), (10, 2096130), (12, 1746775), (15, 1397420), (20, 1048065), (25, 838452), (30, 698710), (50, 419226), (60, 349355), (75, 279484), (100, 209613), (107, 195900), (150, 139742), (214, 97950), (300, 69871), (321, 65300), (428, 48975), (535, 39180), (642, 32650), (653, 32100), (1070, 19590), (1284, 16325), (1306, 16050), (1605, 13060), (1959, 10700), (2140, 9795), (2612, 8025), (2675, 7836), (3210, 6530), (3265, 6420), (3918, 5350)]