20199498044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1\times {\mathrm{1181}}^1$

素因数の和:1755

約数の個数: 96

約数和(自身を含む): 41700960000

約数和(自身を除く): 21501461956

約数列:

[1, 2, 4, 11, 19, 22, 38, 41, 44, 76, 82, 164, 209, 418, 451, 499, 779, 836, 902, 998, 1181, 1558, 1804, 1996, 2362, 3116, 4724, 5489, 8569, 9481, 10978, 12991, 17138, 18962, 20459, 21956, 22439, 25982, 34276, 37924, 40918, 44878, 48421, 51964, 81836, 89756, 96842, 104291, 193684, 208582, 225049, 246829, 388721, 417164, 450098, 493658, 532631, 589319, 777442, 900196, 919999, 987316, 1065262, 1178638, 1554884, 1839998, 2130524, 2357276, 3679996, 4275931, 6482509, 8551862, 10119989, 11197061, 12965018, 17103724, 20239978, 22394122, 24162079, 25930036, 40479956, 44788244, 48324158, 96648316, 123167671, 246335342, 265782869, 459079501, 492670684, 531565738, 918159002, 1063131476, 1836318004, 5049874511, 10099749022, 20199498044]

約数ペア:

[(1, 20199498044), (2, 10099749022), (4, 5049874511), (11, 1836318004), (19, 1063131476), (22, 918159002), (38, 531565738), (41, 492670684), (44, 459079501), (76, 265782869), (82, 246335342), (164, 123167671), (209, 96648316), (418, 48324158), (451, 44788244), (499, 40479956), (779, 25930036), (836, 24162079), (902, 22394122), (998, 20239978), (1181, 17103724), (1558, 12965018), (1804, 11197061), (1996, 10119989), (2362, 8551862), (3116, 6482509), (4724, 4275931), (5489, 3679996), (8569, 2357276), (9481, 2130524), (10978, 1839998), (12991, 1554884), (17138, 1178638), (18962, 1065262), (20459, 987316), (21956, 919999), (22439, 900196), (25982, 777442), (34276, 589319), (37924, 532631), (40918, 493658), (44878, 450098), (48421, 417164), (51964, 388721), (81836, 246829), (89756, 225049), (96842, 208582), (104291, 193684)]