20047300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2203}}^1$

素因数の和:2237

約数の個数: 72

約数和(自身を含む): 53566016

約数和(自身を除く): 33518716

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, 2203, 2275, 4406, 4550, 8812, 9100, 11015, 15421, 22030, 28639, 30842, 44060, 55075, 57278, 61684, 77105, 110150, 114556, 143195, 154210, 200473, 220300, 286390, 308420, 385525, 400946, 572780, 715975, 771050, 801892, 1002365, 1431950, 1542100, 2004730, 2863900, 4009460, 5011825, 10023650, 20047300]

約数ペア:

[(1, 20047300), (2, 10023650), (4, 5011825), (5, 4009460), (7, 2863900), (10, 2004730), (13, 1542100), (14, 1431950), (20, 1002365), (25, 801892), (26, 771050), (28, 715975), (35, 572780), (50, 400946), (52, 385525), (65, 308420), (70, 286390), (91, 220300), (100, 200473), (130, 154210), (140, 143195), (175, 114556), (182, 110150), (260, 77105), (325, 61684), (350, 57278), (364, 55075), (455, 44060), (650, 30842), (700, 28639), (910, 22030), (1300, 15421), (1820, 11015), (2203, 9100), (2275, 8812), (4406, 4550)]