20411300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2243}}^1$

素因数の和:2277

約数の個数: 72

約数和(自身を含む): 54538176

約数和(自身を除く): 34126876

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2243, 2275, 4486, 4550, 8972, 9100, 11215, 15701, 22430, 29159, 31402, 44860, 56075, 58318, 62804, 78505, 112150, 116636, 145795, 157010, 204113, 224300, 291590, 314020, 392525, 408226, 583180, 728975, 785050, 816452, 1020565, 1457950, 1570100, 2041130, 2915900, 4082260, 5102825, 10205650, 20411300]

約数ペア:

[(1, 20411300), (2, 10205650), (4, 5102825), (5, 4082260), (7, 2915900), (10, 2041130), (13, 1570100), (14, 1457950), (20, 1020565), (25, 816452), (26, 785050), (28, 728975), (35, 583180), (50, 408226), (52, 392525), (65, 314020), (70, 291590), (91, 224300), (100, 204113), (130, 157010), (140, 145795), (175, 116636), (182, 112150), (260, 78505), (325, 62804), (350, 58318), (364, 56075), (455, 44860), (650, 31402), (700, 29159), (910, 22430), (1300, 15701), (1820, 11215), (2243, 9100), (2275, 8972), (4486, 4550)]