20804430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{113}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 56290464

約数和(自身を除く): 35486034

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 34, 38, 51, 57, 85, 95, 102, 113, 114, 170, 190, 226, 255, 285, 323, 339, 361, 510, 565, 570, 646, 678, 722, 969, 1083, 1130, 1615, 1695, 1805, 1921, 1938, 2147, 2166, 3230, 3390, 3610, 3842, 4294, 4845, 5415, 5763, 6137, 6441, 9605, 9690, 10735, 10830, 11526, 12274, 12882, 18411, 19210, 21470, 28815, 30685, 32205, 36499, 36822, 40793, 57630, 61370, 64410, 72998, 81586, 92055, 109497, 122379, 182495, 184110, 203965, 218994, 244758, 364990, 407930, 547485, 611895, 693481, 1094970, 1223790, 1386962, 2080443, 3467405, 4160886, 6934810, 10402215, 20804430]

約数ペア:

[(1, 20804430), (2, 10402215), (3, 6934810), (5, 4160886), (6, 3467405), (10, 2080443), (15, 1386962), (17, 1223790), (19, 1094970), (30, 693481), (34, 611895), (38, 547485), (51, 407930), (57, 364990), (85, 244758), (95, 218994), (102, 203965), (113, 184110), (114, 182495), (170, 122379), (190, 109497), (226, 92055), (255, 81586), (285, 72998), (323, 64410), (339, 61370), (361, 57630), (510, 40793), (565, 36822), (570, 36499), (646, 32205), (678, 30685), (722, 28815), (969, 21470), (1083, 19210), (1130, 18411), (1615, 12882), (1695, 12274), (1805, 11526), (1921, 10830), (1938, 10735), (2147, 9690), (2166, 9605), (3230, 6441), (3390, 6137), (3610, 5763), (3842, 5415), (4294, 4845)]