20161843371940

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1\times {\mathrm{347}}^1\times {\mathrm{89009}}^1$

素因数の和:89749

約数の個数: 96

約数和(自身を含む): 42963238563840

約数和(自身を除く): 22801395191900

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 257, 347, 508, 514, 635, 694, 1028, 1270, 1285, 1388, 1735, 2540, 2570, 3470, 5140, 6940, 32639, 44069, 65278, 88138, 89009, 89179, 130556, 163195, 176276, 178018, 178358, 220345, 326390, 356036, 356716, 440690, 445045, 445895, 652780, 881380, 890090, 891790, 1780180, 1783580, 11304143, 11325733, 22608286, 22651466, 22875313, 30886123, 45216572, 45302932, 45750626, 56520715, 56628665, 61772246, 91501252, 113041430, 113257330, 114376565, 123544492, 154430615, 226082860, 226514660, 228753130, 308861230, 457506260, 617722460, 2905164751, 3922537621, 5810329502, 7845075242, 7937733611, 11620659004, 14525823755, 15690150484, 15875467222, 19612688105, 29051647510, 31750934444, 39225376210, 39688668055, 58103295020, 78450752420, 79377336110, 158754672220, 1008092168597, 2016184337194, 4032368674388, 5040460842985, 10080921685970, 20161843371940]

約数ペア:

[(1, 20161843371940), (2, 10080921685970), (4, 5040460842985), (5, 4032368674388), (10, 2016184337194), (20, 1008092168597), (127, 158754672220), (254, 79377336110), (257, 78450752420), (347, 58103295020), (508, 39688668055), (514, 39225376210), (635, 31750934444), (694, 29051647510), (1028, 19612688105), (1270, 15875467222), (1285, 15690150484), (1388, 14525823755), (1735, 11620659004), (2540, 7937733611), (2570, 7845075242), (3470, 5810329502), (5140, 3922537621), (6940, 2905164751), (32639, 617722460), (44069, 457506260), (65278, 308861230), (88138, 228753130), (89009, 226514660), (89179, 226082860), (130556, 154430615), (163195, 123544492), (176276, 114376565), (178018, 113257330), (178358, 113041430), (220345, 91501252), (326390, 61772246), (356036, 56628665), (356716, 56520715), (440690, 45750626), (445045, 45302932), (445895, 45216572), (652780, 30886123), (881380, 22875313), (890090, 22651466), (891790, 22608286), (1780180, 11325733), (1783580, 11304143)]