31944220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20743}}^1$

素因数の和:20770

約数の個数: 48

約数和(自身を含む): 83639808

約数和(自身を除く): 51695588

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 20743, 41486, 82972, 103715, 145201, 207430, 228173, 290402, 414860, 456346, 580804, 726005, 912692, 1140865, 1452010, 1597211, 2281730, 2904020, 3194422, 4563460, 6388844, 7986055, 15972110, 31944220]

約数ペア:

[(1, 31944220), (2, 15972110), (4, 7986055), (5, 6388844), (7, 4563460), (10, 3194422), (11, 2904020), (14, 2281730), (20, 1597211), (22, 1452010), (28, 1140865), (35, 912692), (44, 726005), (55, 580804), (70, 456346), (77, 414860), (110, 290402), (140, 228173), (154, 207430), (220, 145201), (308, 103715), (385, 82972), (770, 41486), (1540, 20743)]